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AccessEngineering is an engineering reference tool that provides seamless access to a collection of authoritative, regularly updated engineering reference information. 

It includes also many of the popular Schaum’s Online titles. AccessEngineering also comprises dynamic online features, such as instructional, faculty made videos, calculators, interactive tables and charts, as well as personalization tools allowing users to organize crucial project information as they work.

Searching and ordering of antibodies, immunokits and other substances.

Antibodies-online is an independent market place for research products. You can choose and compare 1.100.000 antibodies, 160.000 ELISA kits, 180.000 proteins and 120 producers from all over the world. You can order online.


The German Arzneibuch-Kommentar provides scientific explanations to the European Pharmacopoeia.

The European Pharmacopoeia is the regulatory framework for the production and testing of medicinal products that is binding for Germany and Europe.

The Arzneibuch-Kommentar provides the explanations that are required to understand the regulations, and to correctly interpret the results. The Kommentar is the key to the European Pharmacopoeia. Pharmacists in industry and pharmacies consult it as an indispensable resource and as the ideal addition to the German or European Pharmacopoeia.


You can access the current DVD version of the Arzneibuchkommentar online via the information center, please contact Maria Pechlaner.

Arzneimittelkompendium der Schweiz

Swiss Reference Work by Documed, since 1979 the leading source for approved drugs in Switzerland, acknowledged both by Swissmedic and the pharmaceutical industr.

The Kompendium contains information about drugs in Switzerland, inter-action checks, optical identity of drugs (identa), therapeutic registers, list of companies, suitable dosages for children.

ASM Handbooks Online

ASM Handbooks Online is a peer-reviewed source of information on ferrous and non-ferrous metals and materials technology.

The quarterly updated database contains the complete content of thirty ASM Handbook volumes, several ASM Handbook supplements, and two ASM Desk Editions. Over 25,000 pages of articles, illustrations, tables, graphs, specifications and practical examples can be accessed.

Bacterial Carbohydrate Structure Database

The Bacterial Carbohydrate Structure Database provides information of structural, bibliographic, taxonomic and related data on bacterial carbohydrate structures.

This database provides information of structural, bibliographic, taxonomic and related data on bacterial carbohydrate structures. The main source of data is a retrospective literature analysis. About 25% of data were imported from CCSD (Carbbank, University of Georgia, Athens; structures published before 1995) with subsequent manual curation and approval. The time lag between publication of new data and their deposition is ca. 1 year.

The scope is "bacterial carbohydrates" and covers nearly all structures of this class published up to 2014.

Besides the structure itself, each record includes bibliography, abstract, keywords, biological source, methods used to elucidate the structure, bioactivity, NMR assignment tables and a lot of other information.

BIOSIS Previews

BIOSIS Previews combines journal content from Biological Abstracts® with supplemental, non-journal coverage from Biological Abstracts/RRM® (Reports, Reviews, Meetings). Specialized indexing helps you discover more accurate, context-sensitive results.

BIOSIS life sciences databases deliver current, multidisciplinary information from many fields , including agriculture, biodiversity, biotechnology, botany, drug discovery, gene therapy, marine biology, wildlife conservation, zoology, and other topics. BIOSIS also provides specialized indexing, with tags to vital data such as CAS Registry numbers, Enzyme Commission numbers, and cross-references throughout to gene, disease, and organism names.


BRENDA is the main collection of enzyme functional data available to the scientific community

BRENDA is the main collection of enzyme functional data available to the scientific community. The enzymes are classified according to the Enzyme Commission list of enzymes. Some 1.900.000 different enzymes are covered. The database holds information about nomenclature, reaction and specificity, structure, isolation and purification, and stability of enzymes as well as cross references to structure databases and references to literature.

British Pharmacopoeia

Produced by the British Pharmacopoeia Commission Secretariat of the Medicines and Healthcare Products Regulatory Agency, and updated annually, the British Pharmacopoeia (BP) is the official, authoritative collection of standards for UK medicinal substances for human and veterinary use.

The 2014 edition includes almost 3 500 monographs. Where a pharmacopoeial monograph exists, medicinal products sold or supplied in the UK must comply with the relevant monograph. All monographs and requirements of the European Pharmacopoeia are also reproduced in the BP.

CAB direct

CAB Direct is the most thorough and extensive source of reference in the applied life sciences, incorporating the leading bibliographic databases CAB Abstracts and Global Health.

CAB Direct is CABI's electronic platform delivering access to over 10 million abstracts across the applied life sciences. Coverage includes the bibliographic databases CAB Abstracts and Global Health, CAB Direct uses the CAB Thesaurus, the extensive online index of CABI terms for searching

Cambridge Structural Database (WebCSD)

Collection of small-molecule organic and organometallic crystal structures

WebCSD is the online version of the Cambridge Structural Database (CSD) which contains over 800.000 crystal structures of small-molecule organic and organometallic compounds. The structures have been determined using X-ray and neutron diffraction. For each structure the information on the space group symmetry of the crystalline phase, its cell parameters and the atomic coordinates of all the atoms in the cell are provided. An overview of the search options you can find on the CSD help page. At the ETH Zurich a local installation of the CSD is also available and allows more elaborate database searches. For more information please contact Dr. Michael Dieter Wörle.

ChemExper Chemical Directory (CCD)

Database with over 200 000 chemicals from international suppliers

The ChemExper Chemical Directory database contains over 200 000 chemicals from various international suppliers. The database can be searched by IUPAC-name, molecular formula, sub(structure), CAS Registry Number, physical and chemical characteristics. Everyone can supply or request the data.

Chemisches Zentralblatt

First and oldest reference work for Chemistry. For more information please contact Dr. Jozica Dolenc.

Chemisches Zentralblatt is the first and oldest comprehensive abstracts journal in Chemistry and existed from 1830 till 1969. It is a very important source for searches of literature that was published before 1940, because its abstracts were more elaborate and of better quality than those of Chemical Abstracts. In particular, it is suited for searches of preparations of well-known "ancient" compounds, but also for searches to defend prior art claims in patents and papers. Chemisches Zentralblatt is also an important source of chemistry history, since many references to the birth of chemistry as science – opposed to alchemy – and to development of 20th century chemistry and industrial chemistry can be found.

Clarke's Analysis of Drugs and Poisons

This practical manual and standard reference work provides the definitive source of analytical data for drugs and poisons.

It is intended for use primarily by scientists faced with identifying and quantifying these substances in body fluids, tissue samples and pharmaceutical and industrial products.

Access via MedicinesComplete

Largest public register of clinical trials., a service of the United States National Library of Medicine (NLM), part of the U.S. National Institutes of Health, contains over 200 000 clinical trials from 191 countries. Extensive search capabilities are available.

Cochrane Library

The Cochrane Library is a collection of six databases in medicine and other healthcare specialties provided by the Cochrane Collaboration and other organizations.

At its core is the collection of Cochrane Reviews, a database of systematic reviews and meta-analyses which summarize and interpret the results of medical research. The Cochrane Library aims to make the results of well-conducted controlled trials readily available and is the key resource in evidence-based medicine. Due to a national license, the Cochrane Library is freely available in Switzerland.

Combined Chemical Dictionary (CCD)

Database of chemical compounds

The Combined Chemical Dictionary is a database containing information on over 500 000 chemical substances including organic, organometallic and inorganic compounds, drugs, natural products and analytical reagents. It provides structures of compounds, their chemical and physical data, CAS Registry Number, information on toxicity, use as well as selected literature references. The data are taken from "Dictionary of Inorganic and Organometallic Compounds", "Dictionary of Organic Compounds", "Dictionary of Natural Products", "Dictionary of Carbohydrates", "Dictionary of Drugs" and from "Dictionary of Analytical Reagents".

CRC Handbook of Chemistry and Physics

An excellent source of numerical data for physicochemical properties

The CRC Handbook of Chemistry and Physics is a comprehensive one-volume reference resource for chemistry and physics, first published in 1913, and currently in its 96th edition. It is sometimes nicknamed the 'Rubber Bible' or the 'Rubber Book', as CRC originally stood for "Chemical Rubber Company". It contains tables with properties of chemical compounds as well as mathematical and physical formula.

Crystallography Open Database (COD)

Freely accessible repository for small-molecule organic, inorganic and organometallic crystal structures

The Crystallography Open Database (COD) gathers available inorganic, organometallic and small organic molecule structural data in one database and adopts an open access model. The COD contains entries in Crystallographic Information File (CIF) Format, with nearly full coverage of the International Union of Crystallography publications.

Database of Zeolite Structures

Crystal structures of zeolites

The Database of Zeolite Structures provides structural information on all zeolite structure types. This includes crystallographic data and drawings for all zeolite framework types, simulated powder patterns for representative materials and relevant references.

Derwent Innovations Index

Database providing international patent information.

A patent search tool within the larger ISI Web of Knowledge. Derwent divides patents into 3 broad areas: Chemical; Electrical & Electronics; and Engineering. Searchable by topic, inventor, and assignee. There is also a cited patent search option. The Derwent Innovations Index merges the Derwent World Patents Index with the Derwent Patents Citation Index. It covers over 10 million basic inventions – 18 million patents in all – from over 40 patent-issuing authorities.

Deutscher Arzneimittel-Codex – Neues Rezeptur-Formularium (DAC/NRF)

The Deutsche Arzneimittel-Codex is a supplemental resource to the German Arzneibuch and is jointly published with the Neue Rezeptur-Formularium.

DAC/NRF reports drugs and starting materials for pharmaceutical drugs that are not reported in the European Pharmacopeia or the German Arzneibuch (DAB).

You can access the current DVD version of the DAC / NRF online via the information center, please contact Maria Pechlaner.

Dictionary of Inorganic and Organometallic Compounds (DIOC)

Database of inorganic and organometallic compounds

Dictionary of Inorganic and Organometallic Compounds is a chemical database containing over 100,000 representative organometallic, inorganic, & coordination compounds. It includes descriptive and numerical data on chemical, physical and biological properties of compounds, systematic and common names of compounds, literature references, structure diagrams and their associated connection tables. Drawing of structures is possible in the browser, as well as uploading graphical structure queries.

Dictionary of Organic Compounds

Database of organic compounds

Dictionary of Organic Compounds contains chemical, structural, and bibliographic information on over 255 000 of the most important organic compounds covering a wide range of commonly used chemicals, synthetic reagents, pesticides, a selection of natural products, pharmaceuticals, and analytical reagents. The wealth of data provided includes names and synonyms, formulae, chemical structures, CAS Registry numbers, chemical and physical properties, and key literature citations.


Drugbase is a platform that provides web access to several pharmaceutical databases.

The Info Center provides access to the following databases via

  • Fiedler – Encyclopedia of Excipients
  • Hagers Enzyklopädie der Arzneistoffe und Drogen
  • Handbook on Injectable Drugs
  • Index Nominum
  • Rote Liste®

Please note that only one concurrent user is allowed. Please log out once you are done. Please note also, that due to license restrictions use is only permitted for educational purposes. If you need to have access for research purposes you need to use another log-in (Contacts: Regula Furegati or Oliver Renn).

EcoSal plus

EcoSal Plus is an authoritative online reference that publishes reviews covering virtually all aspects of E. coli, Salmonella, and other members of the family Enterobacteriaceae.

EcoSal Plus is an authoritative online reference that publishes an ever-growing body of expert reviews covering virtually all aspects of E. coli, Salmonella, and other members of the family Enterobacteriaceae and their use as model microbes for biological explorations. This serial is intended primarily to serve the needs of the research community as a comprehensive and continuously updated archive of the entire corpus of knowledge about the enteric bacterial cell. All aspects of these organisms are covered, including physiology, metabolism, genetics, pathogenesis, ecology, genomics, systems biology, and history. These thoughtful reviews provide the integrated background needed for most microbiology investigations and are essential reading for research scientists. Features include: Articles contain links to K12 genes on the EcoCyc database site. Articles are available as downloadable PDF files. Images and tables are downloadable as PowerPoint files.

eLS Encyclopedia of Life Sciences

eLS contains articles on the whole spectrum of the life sciences, on different difficulty levels.

eLS features over 5,000 specially commissioned, peer-reviewed and citable articles in the life sciences and is an essential resource for students. Topic browse spanning the life sciences from cell biology to ecology. Key Concepts explain critical learning points for the reader. In-text hyperlinks directly link related eLS articles. New and updated articles are added on a monthly basis. Updated articles are clearly linked to earlier versions. The difficulty level is always clearly specified.

EMBL-EBI The European Bioinformatics institute

EMBL-EBI provides freely available data from life science experiments covering the full spectrum of molecular biology.

EBI maintains the world’s most comprehensive range of freely available and up-to-date molecular databases. Developed in collaboration with researchers worldwide, the services let you share data, perform complex queries and analyse the results in different ways.


Open Access search engine for chemicals

eMolecules is the open-access chemistry search engine and provides structures, chemical and physical data as well as commercial suppliers for over 7 million chemicals. The search allows querying for names, CAS Registry Number, structures or substructures and suppliers.

Encyclopedia of Reagents for Organic Synthesis (e-EROS)

Systematic and exhaustive collection of reagents and catalysts used in organic synthesis

e-EROS offers a systematic and exhaustive coverage of reagents and catalysts used in organic synthesis. It covers 14 volumes with more than 4 500 compounds. The database can be searched by CAS Registry numbers, InChI, or InChI Keys, keywords and phrases, reagent name, reaction name, catalyst, solvent, product yield, temperature, substructure, exact structure, reactions, author names, reference, and publication year.

Engineering Village

Search interface for the Compendex, GEOBASE and GeoRef databases

Engineering Village is a Search interface for Compedex, GEOBASE and GeoRef databases. Compendex is one of the most comprehensive bibliographic databases for engineering research. The subject areas of the database are very broad and include all engineering and applied science disciplines. GEOBASE and GeoRef are the main bibliographical database for Earth Sciences.

EOL Encyclopedia of Life

Global Access to Knowledge about Life on Earth.

The Encyclopedia of Life (EOL) is a free, online collaborative encyclopedia intended to document all of the 1.9 million living species known to science. It is compiled from existing databases and from contributions by experts and non-experts throughout the world. It aims to build one "infinitely expandable" page for each species, including video, sound, images, graphics, as well as text. In addition, the Encyclopedia incorporates content from the Biodiversity Heritage Library, which digitizes millions of pages of printed literature from the world's major natural history libraries.


Access to the EPA database of over 80 million patents

Espacenet is a free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation.

European Pharmacopoeia

Collection of regulations on the quality of medicines, pharmaceutical excipients and various medical devices.

Windows users must install a Safeview plug-in (running with Internet-Explorer only!)– not required for Mac OS.

ExPASy Bioinformatics Resource Portal

ExPASy is the SIB Bioinformatics Resource Portal which provides access to scientific databases and software tools in different areas of life sciences including proteomics, genomics, phylogeny, systems biology, population genetics, transcriptomics etc.

ExPASy is one of the main bioinformatics resources for proteomics worldwide and became an extensive and integrative portal accessing many scientific resources, databases and software tools in different areas of life sciences. Scientists can access seamlessly a wide range of resources in many different domains, such as proteomics, genomics, phylogeny, systems biology, evolution, population genetics, transcriptomics, etc.

Faculty of 1000

Faculty of 1000 recommends you the most important articles in your specific field of interest, rating them and providing short explanations for their selection

Faculty of 1000 is the publisher of four unique services that support and inform the work of life scientists and clinicians. F1000Prime and F1000Trials provide a layer of expert opinion and guidance on published articles, and F1000Research and F1000Posters present original and useful work via open access websites that encourage transparency, sharing and debate.

Fiedler - Encyclopedia of Excipients

Fiedler - the Encyclopedia of Excipients is an unique database on excipients used in pharmacy, cosmetics and related fields.

“Fiedler – Encyclopedia of Excipients” is the most comprehensive database on excipients used in pharmacy, cosmetics and related fields offering 12’000+ entries. Monographs follow a unified structure, presenting names and synonyms, definitions, basic properties, application characteristics, stability and incompatibilities, pharmacology and toxicology, analysis methods, references and a manufacturers directory.

"Fiedler" can be accessed via the platfom Drugbase.




GESTIS Substance Database

Information system on hazardous substances of the German Social Accident Insurance

The GESTIS Substance Database contains information for the safe handling of hazardous substances and other chemical substances at work, e.g. health effects, necessary protective measures and such in case of danger (incl. First Aid). Furthermore the user is offered information upon important physical and chemical properties as well as special regulations. The available information relates to about 9,400 substances. Data are updated immediately after publication of new official regulations or after the issue of new scientific results.


The world's largest library of business book summaries. Expand your business knowledge with 5-page summaries that you can read in 10 minutes or less.

Compressed Knowledge: The best in business knowledge in concise summaries that include all basic facts and statements of the latest, sharpest and most relevant books. The summaries are available in English, German, Spanish, Russian, Chinese, French and Portuguese.


With GlycomeDB, it is possible to get an overview of all carbohydrate structures in different databases at the same time. Carbohydrates are the third major class of biological macromolecules, besides proteins and DNA molecules.

In the GlycomeDB the content of the major freely available carbohydrate databases was brought together. Sequence and taxonomic data from Carbbank, CFG, KEGG,, BCSDB, GlycoBase (Dublin) und GlycoBase (Lille) were extacted and were made accessible through the web portal. With the new GlycomeDB it is now possible to get an overview of all carbohydrate structures in the different databases.

Hagers Enzyklopädie der Arzneistoffe und Drogen

Data collection on drugs, herbal drugs and medicinal plants

Hagers Enzyklopädie, with its broad content range and the high quality of the information, is the standard of reference work for pharmacology, pharmaceutical research and public pharmacies and also the biggest data collection: 5 700 substances, 3 400 medicinal drugs, including cross-references as hyperlinks, 32 000 links to Medline, 500 color reproductions of plants, 12 000 structure formulae.

Access via the platform

Handbook on Injectable Drugs

Data on of injectable drugs.

Provides information on the compatibility and stability of injectable drugs, contains data to 349 drugs, includes references to the major refeece work "AHFS Drug Interaction", provides information regarding production, storage and use of injectable drugs.


Access via the platform

Herbarien der Zürcher Hochschulen

Collection of plants of the University Zurich and ETH Zurich

Collection of plants of the University Zurich and ETH Zurich

HMDB Human Metabolome Database

The Human Metabolome Database (HMDB) contains detailed information about small molecule metabolites found in the human body.

HMDB is a resource dedicated to providing scientists with the most current and comprehensive coverage of the human metabolome and containing detailed information about small molecule metabolites found in the human body. It is intended to be used for applications in metabolomics, clinical chemistry, biomarker discovery and general education. The database is designed to contain or link three kinds of data: 1) chemical data, 2) clinical data, and 3) molecular biology/biochemistry data.

Index Nominum

The Index Nominum is a database for drugs, trade names, synonyms, chemical structures and therapeutic classes of substances, issued by the Swiss Pharmacists Association.

Substances can be searched using the following criteria:

Substance Name - Trade Name - Therapeutic Group - Manufacturer / Country - Synonyms - Pharmacopoeia name - Chemical name - Formula - CAS number - derivatives. Searching of the entire data set (full text) is also possible. For each substance the structural formula is shown. Information on trade names / generics, manufactures / countries, synonyms and Pharmacopoeia name of substance are available with a click. For almost all manufacturers addresses of the offices in each country are given.


Access via


Database of thermophysical properties

Infotherm provides information on measured thermophysical properties of about 34'000 pure chemical compounds and their mixtures along with full bibliographic data. About 510'000 tables contain PVT-properties, phase equilibria, transport and surface properties, caloric properties and acoustic and optical properties. About 200 thermodynamic and physical properties, which can be combined with 25 conditions and 22 equilibrium types, can be searched. The database grows by about 1 000 tables per month.

Inorganic Crystal Structure Database Web (ICSD)

Collection of inorganic crystal structures

The Inorganic Crystal Structure Database contains high quality crystal structure data of inorganic compounds including compound name, molecular formula, crystal symmetry group, unit cell parameters, atomic coordinates, temperature factors and bibliographic information. The structures are derived from more than 1 000 journals published worldwide.


Pipeline Drug Database on drugs in development.

Thomson Reuter’s database Integrity provides researchers, especially in the pharmaceutical industry with reliable, detailed information, across multiple disciplines to support successful drug research and development. Updated daily, the database provides comprehensive search, retrieval and analysis tools.

Please note: Access to a limited user group only.

Internet Bond-Energy Databank (iBonD)

iBonD is a database for pKa and bond dissociation energies of organic compounds

The iBonD database gives fast access to the pKa values and bond dissociation energies of organic compounds based on experimental reports. The search can be performed either by name, by formula or by structure. Filters such as solvent, pKa range or bond dissociation energy ranges are applicable to refine the results. An extended search including substructures or families of compounds is also possible. The results are listed together with the structure of the compound, corresponding solvent, the method of measurement and the literature source.


Comprehensive search engine for chemical cpomound with many features

iScienceSearch is an innovative search engine for scientists that want to search for chemical data on the web – it makes a federated search over many chemical and pharmaceutical databases resulting in more than 100 million pages which associate chemical structures with data. iScienceSearch allows searching by structure, chemical names and synonyms, CAS Registry Numbers and free text.

IUPAC-NIST Solubility Database

Solubility measurements including liquid-liquid, solid-liquid and gas-liquid systems

The IUPAC-NIST Solubility Database contains mutual solubilities and liquid-liquid equilibria of binary, ternary and quaternary systems. Typical solvents and solutes include water, sea water, heavy water, inorganic compounds, and a variety of organic compounds such as hydrocarbons, halogenated hydrocarbons, alcohols, acids, esters and nitrogen compounds. There are over 67,500 solubility measurements in the database, which are compiled from 18 volumes of the IUPAC-NIST Solubility Data Series.

Japanese Pharmacopoeia

The Japanese Pharmacopoeia is the official Pharmacopoeia of Japan.

It is published by the Pharmaceuticals and Medical Devices Agency under the authority of the Ministry of Health, Labor and Welfare. The first edition was published on 25 June, 1886.

Journal Citation Reports

Journal Citations Reports are the source for the annually calculated and published impact factor of journals and for other data on journals.

Journal Citation Reports is a comprehensive and unique resource that allows you to evaluate and compare journals using citation data drawn from over 11,000 scholarly and technical journals from more than 3,300 publishers in over 80 countries. It is the only source of citation data, i.e. the “impact factor”, on journals, and includes virtually all areas of science, technology, and social sciences. Journal Citation Reports can show you, e.g., the:

• Most frequently cited journals in a field,

• Highest impact journals in a field.

KEGG Kyoto Encyclopedia of Genes and Genomes

KEGG is a database resource that integrates genomic, chemical and systemic functional information of organisms. KEGG pathways is a collection of manually drawn pathway maps on the molecular interaction and reaction networks for many cellular processes.

KEGG is an integrated database resource consisting of the sixteen main databases for understanding high-level functions and utilities of the biological system, such as the cell, the organism and the ecosystem, from molecular-level information, especially large-scale molecular datasets generated by genome sequencing and other high-throughput experimental technologies. They are broadly categorized into systems information, genomic information and chemical information.


Search Engine for spectra of organic and inorganic compounds

The search engine KnowItAllAnyWare provides unlimited access to 1.4 million spectra of organic and inorganic compounds, structures and properties. Search options include chemical name, molecular formula, CAS registry number, structures including substructure search, and peak lists. In addition, possible candidate structures can be searched by uploading spectral data.

Martindale: the complete drug reference

Clinically relevant drug information on international drugs.

The Martindale contains more than 6 700 drug monographs and information on side effects, precautions, interactions, use and application, and pharmacokinetics.

Access via MedicinesComplete


MedicinesComplete provides online access to up-to-date drug information sourced from an extensive range of the world's most trusted resources.

The Chemistry | Biologie | Pharmacy Information Center has provides access to several pharmaceutical databases via this plattform, i.e.

  • Clarke’s Analysis of Drugs and Poisons
  • Martindale: The Complete Drug Reference
  • Pharmaceutical Excipients
  • Stockley’s Herbal Medicines Interactions

Merck Index

For over 120 years The Merck Index has been regarded as the most authoritative and reliable source of information on chemicals, drugs and biological.

It contains over 11,500 monographs – including historic records not available in the print edition. Users can perform simple searches on a number of different properties and fields, construct complex multi-parameter searches, and search by chemical structure.

NCBI Entrez

Entrez is NCBI’s (National Center for Biotechnology Information) primary text search and retrieval system that integrates the PubMed database of biomedical literature with 39 other literature and molecular databases.

The Entrez system comprises 40 molecular and literature databases, that can be searched simultanously and many bioinformatics tools and software fort he analysis of DNA and protein sequences, structures, genes, genomes, genetic variations and gene expression datas. The databases are permanently updated and curated by the National Library of Medicine (NLM). The website offers extensive user tutorials for all services.

NDB Nucleic Acid Database

Portal for Three-dimensional Structural Information about Nucleic Acids

The goal of the Nucleic Acid Database Project (NDB) is to archive and distribute structural information about nucleic acids. The NDB contains information about experimentally-determined nucleic acids and complex assemblies.

Use the NDB to perform searches based on annotations relating to sequence, structure and function, and to download, analyze, and learn about nucleic acids.

NIST Chemistry WebBook

Freely accessible database of spectroscopic and thermophysical data on chemical compounds

The NIST WebBook provides chemical and physical data of chemical species. The data is from collections maintained by NIST and outside contributors. The NIST Chemistry Webbook contains, among others, thermochemical data for organic and small inorganic compounds, reaction thermochemistry data, IR, mass, electronic/vibrational and UV/Vis spectra, GC retention data, spectroscopic constants of diatomic molecules, ionisation energies and thermophysical property data for fluids.

NIST Standard Reference Database 46, Version 8.0

Database on stability constants of metal complexes

The NIST Standard Reference Database 46, version 8.0 provides comprehensive coverage of interactions for aqueous systems of organic and inorganic ligands with protons and various metal ions. It contains the stability constants, enthalpies, and entropies of proton and metal ion equilibria with ligands under defined conditions of ionic strength and temperature.

NIST/TRC Web Thermo Tables

Critically evaluated thermodynamic data for pure compounds

NIST/TRC Web Thermo Tables offer a collection of critically evaluated thermodynamic property data primarily for pure organic compounds. It contains information on 28’432 compounds with nearly 531’486 evaluated data points. These data were generated through dynamic data analysis, as implemented in the NIST ThermoData Engine software package. Data from the TRC Thermodynamic Tables are also included.

Organic Synthesis

Collection of procedures for the synthesis of organic compounds

Annually augmented collection of detailed and reliable procedures for the synthesis of representative organic compounds.


Hierarchical catalog of orthologs with focus on comparative analyses of genome sequences

OrthoDB is a comprehensive catalog of orthologs, i.e. genes inherited by extant species from their last common ancestor. Arising from a single ancestral gene, orthologs form the cornerstone for comparative studies and allow for the generation of hypotheses about the inheritance of gene functions. Each phylogenetic clade or subclade of species has a distinct common ancestor, making the concept of orthology inherently hierarchical. From its conception, OrthoDB explicitly addressed this hierarchy by delineating orthologs at each major species radiation of the species phylogeny. The more closely related the species, the more finely-resolved the gene orthologies.

PDBe Protein Data bank in Europe

PDBe is the European resource for the collection, organisation and dissemination of data on biological macromolecular structures.

In collaboration with the other worldwide Protein Data Bank (wwPDB) partners – the Research Collaboratory for Structural Bioinformatics (RCSB) and BioMagResBank (BMRB) in the USA and theProtein Data Bank of Japan (PDBj) -PDBe works to collate, maintain and provide access to the global repository of macromolecular structure data. PDBe uses a relational database that presents the data derived from the Protein Data Bank (PDB) in a consistent way and allows users to retrieve meaningful data using complex and sophisticated searches including simple textual queries and more complex 3D structure-based queries. PDBe has also developed several sophisticated tools for structural analysis of macromolecules

Pharmaceutical Excipients

The Handbook of Pharmaceutical Excipients contains essential data on the physical properties of excipients, their safe use and potential toxicity.

The Handbook collects essential data on the physical properties of excipients such as: boiling point, bulk and tap density, compression characteristics, hygroscopicity, flowability, melting point, moisture content, moisture-absorption isotherms, particle size distribution, rheology, specific surface area, and solubility. Scanning electron microphotographs (SEMs) are also included for many of the excipients along with over 130 near-infrared (NIR) spectra specifically generated for this publication and over 150 infrared (IR) spectra. In addition, the current update includes around 150 Raman spectra.

Access is provided through the platform MedicinesComplete.

Phase Equilibria Diagrams Online

The database contains all published NIST/American Ceramic Society phase equilibria diagrams and commentaries.

Phase Equilibria Diagrams Online provides access to approximately 27,600 critically-evaluated phase equilibria diagrams of oxides, salts, carbides, nitrides, borides, compound semiconductors, and chalcogenides. New diagrams are automatically available. You can search diagrams by chemical system, published author’s last name, volume, language, publication year, and figure number, view diagram’s chemical system, figure number, figure notes, references, commentary and footnote as well as manipulate diagrams with zoom in/out, lever rule, curve follow, mirror, Mol% to Wt% or Wt% to Mol% and built-in calculator. Please follow the installation instructions on the start page of the database to install the phase equilibria diagram viewer. 

Physical Property Source Index

Physical Property Source Index is a tool for finding resources for physico-chemical and other material properties 

The Physical Properties Sources Index is a tool for finding resources for physico-chemical and other material properties. The index does not display the measured values of a physical property of a given compound but it lists the sources that contain the value of interest. These sources can be both print and electronic documents or databases.


Chemistry Information Database

PubChem provides information on the biological activities of small molecules. PubChem is organized as three linked databases within the NCBI's Entrez information retrieval system. These are PubChem Substance, PubChem Compound, and PubChem BioAssay. PubChem also provides a fast chemical structure similarity search tool.


PubMed is a bibliographic literature database, which contains articles from nearly 5 000 medicine-related journals. Focus is an English-language journals, coverage is mostly from 1966 onwards.

PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.

RCSB PDB Protein Data Bank

An Information Portal to Biological Macromolecular Structures. PDB 101 provides very good educational resources.

The Protein Data Bank (PDB) is a repository for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids. The data, typically obtained by X-ray crystallography or NMR spectroscopy and submitted by biologists and biochemists from around the world, are freely accessible on the Internet via the websites of its member organisations (PDBe, PDBj, and RCSB). The PDB is overseen by an organization called the Worldwide Protein Data Bank, wwPDB.The Research Collaboratory for Structural Bioinformatics (RCSB) is dedicated to improving our understanding of the function of biological systems through the study of the 3-D structure of biological macromolecules.


Designed as a chemistry workflow tool Reaxys is by far more than a chemical database.

Reaxys is a web-based chemistry database consisting of deeply excerpted compounds and related factual properties, reaction and synthesis information as well as bibliographic data, navigated and displayed via an actionable interface. Reaxys includes more than 41 million reactions, 105 million substances and over 500 experimental data points.


Founded in 1947 as a chemistry reference work, today the RÖMPP is the largest and most prestigious Encyclopedia of chemistry and related sciences in German language.

The RÖMPP contains about 62 000 keywords that are cross-linked by approximately 200 000 cross references. About 12 000 structural formulas and graphics facilitate understanding and provide valuable additional information. High quality and reliability of content is ensured by pre-defined standards of scientific editors.

Rote Liste

Drug list for Germany (including EU approvals and certain medical devices), access only for medical doctors, dentists and pharmacists.

Science of Synthesis

Database of methodologies for synthesis of organic compounds

Science of Synthesis provides a critical review of the synthetic methodology in the field of organic and organometallic chemistry. The systematic and logical organization of the synthetic methods for each functional group enables users to quickly find out which methods are useful for a particular synthesis and which are not.


Search tool for the Chemical Abstracts and MEDLINE databases with over 71 million chemical compounds and 63 million chemical reactions.

SciFinder is a search tool which provides access to the Chemical Abstracts databases and to the MEDLINE database of the National Library of Medicine (NLM). The Chemical Abstracts databases are the most important databases in chemistry and related sciences. You can search for literature references, substances and reactions.

Registration: To be able to use SciFinder, you have to register with your ETH Zurich e-mail address. Access is restricted to the domain. From outside the ETH you can use SciFinder after establishing the VPN connection.

After you submit the form, CAS sends you an email message with instructions for completing the registration process. After you complete the registration process a final conformation message is displayed and you can use the SciFinder Web.

If you have difficulties using the structure editor please check if the Java plug-in is installed and enabled on your computer.




The world's largest abstract and citation database. Find almost any journal, paper or author and set-up all kinds of alerts.

Scopus ist die grösste Abstrakt-und Zitationsdatenbank peer-reviewter Publikationen. Verschiedenste Tools erlauben es Ihnen, Forschungsergebnisse zu analysieren, zu visualisieren und zu verfolgen.

Scopus bietet den umfassendsten Überblick über die Forschungsergebnisse in den Bereichen Wissenschaft, Technik, Medizin, Sozialwissenschaften und Geisteswissenschaften. Scopus erfasst 20 000 peer-reviewte Zeitschriften aus 5 000 Verlagen, 390 Buchserien und 370 „trade publications” sowie 5.5 Millionen Konferenzbeiträge. Insgesamt sind über 50 Millionen Datensätze vorhanden, darunter 29 Millionen Datensätze bis zurück zum Jahr 1995, die vollständig die Referenzen enthalten.

Spectral Database for Organic Compounds (SDBS)

Free spectral database for organic compounds

SDBS is an integrated spectral database system for organic compounds, which includes six different types of spectra: electron impact mass spectra (EI-MS), Fourier transform infrared spectra (FT-IR), 1H nuclear magnetic resonance (NMR) spectra, 13C NMR spectra, laser Raman spectra, and electron spin resonance (ESR) spectra.  Records include graphical structures and spectra, with peak assignments in many cases. Compounds may be searched by name, molecular formula, molecular weight, CAS registry number, number of atoms/elements, and spectral data.

Most of the spectra were measured at the National Institute of Advanced Industrial Science and Technology (AIST) in Japan.


The World's Largest Resource for Physical & Chemical Data in Materials Science

SpringerMaterials is the largest source for physicochemical properties of inorganic and organic compounds and their mixtures, elements and alloys, ceramics, polymers and plastics, and semiconductors. The data can be retrieved by using simple search, advanced search, periodic table search and structure search.

Stockley's Herbal Medicines Interactions

A guide to the interactions of herbal medicines.

Stockley's Herbal Medicines Interactions is now in its second edition and remains a unique collaboration between a team of experts in the fields of drug interactions, clinical herbal medicines, phytopharmacovigilance and regulation of herbal medicinal products.

Access via Medicines Complete

TAIR The Arabidopsis Information System

TAIR provides all known Informations on Genetics and Molecular Biology of the Model Plant Arabidopsis thaliana.

The Arabidopsis Information Resource (TAIR) maintains a database of genetic and molecular biology data for the model higher plant Arabidopsis thaliana . Data available from TAIR includes the complete genome sequence along with gene structure, gene product information, gene expression, DNA and seed stocks, genome maps, genetic and physical markers, publications, and information about the Arabidopsis research community. Gene product function data is updated every week from the latest published research literature and community data submissions. TAIR also provides extensive linkouts from our data pages to other Arabidopsis resources.

Toxnet Toxicology Data Network

Databases on toxicology, hazardous chemicals, environmental health, and toxic releases.

TOXNET (TOXicology Data NETwork) is a group of databases covering chemicals and drugs, diseases and the environment, environmental health, occupational safety and health, poisoning, risk assessment and regulations, and toxicology. TOXNET provides links to PubMed, and to additional sources of toxicological information.

Ullmann's Encyclopedia of Industrial Chemistry

The leading resource for industrial chemistry

This state-of-the-art reference work gives details on the science and technology in all areas of industrial chemistry. Subject areas include: inorganic and organic chemicals, advanced materials, pharmaceuticals, polymers and plastics, metals and alloys, biotechnology and biotechnological products, food chemistry, process engineering and unit operations, analytical methods, environmental protection, and many more. It contains over 1 000 major articles, written by some 3 000 authors. With more than 16 million words, nearly 15 000 tables, 25 000 figures, and innumerable literature sources and cross-references, it offers a wealth of comprehensive and well-structured information on all facets of industrial chemistry.

UM-BBD University of Minnesota Biocatalysis/Biodegradation Database

UM-BBD contains information on microbial biocatalytic reactions and biodegradation pathways for primarily xenobiotic, chemical compounds.

The goal of the UM-BBD is to provide information on microbial enzyme-catalyzed reactions that are important for biotechnology. The database contains information on microbial biocatalytic reactions and biodegradation pathways for primarily xenobiotic, chemical compounds. In addition, this database also contains Biochemical Periodic Tables (BPT) and a Pathway Prediction System (PPS).

US Pharmacopoeia

The United States Pharmacopeia (USP) is the official pharmacopeia of the United States, published dually with the National Formulary as the USP-NF.

The United States Pharmacopeial Convention (usually also called the USP) is the nonprofit organization that owns the trademark and copyright to the USP-NF and publishes it every year. Prescription and over–the–counter medicines and other health care products sold in the United States are required to follow the standards in the USP-NF. USP also sets standards for food ingredients and dietary supplements.

Access via Maria Pechlaner.


Patent Full Text Database der United States Patent and Trademark Office.

The USPTO houses full text for patents issued from 1976 to the present and PDF images for all patents from 1790 to the present.

Web of Science (formerly know as Web of Knowledge)

Comprehensive bibliographic and citation database platform.

Web of Science is a platform and frontend from information solution provider Thomson Reuters which provides access to bibliographic content and tools to access, analyze, and manage research information. It includes several databases which can be searched simultaneously, e.g. Web of Science, BIOSIS, Current Contents, Derwent Innovation, Data Citation Index, FSTA, Inspec, Zoological Record and Journal Citation Report.