Chemistry: Subject Guide: Chemistry Databases

ChemSpider Help ChemSpider, searching over 400 data sources, provides free online information on 25 million structures, properties and associated information.

Small directory of online organic chemistry resources. Note that not all categories are browsable for free.

Search Help Searches databases and websites of 14 federal agencies to find government data, reports, publications, etc.

The Royal Society of Chemistry's interactive periodic table, including videos, podcasts, and history of each element.

Interactive periodic table, including data and a bibliography of recent publications involving each element.

Scientists introduce and describe each element. Compiled by University of Nottingham.

Organic Syntheses procedures may be accessed either via the tables of contents of individual volumes ("journal mode") or by conducting structure and keyword searches ("database mode"). "Database mode" allows users to simultaneously search all volumes of Organic Syntheses by keywords or by inputting structures and substructures.

From Organic-Chemistry.org. Entries include the actual reaction with a description, the mechanism, and literature citations.

National Institute of Standards and Technology provides provides chemical and physical property data on over 10,000 compounds. Included are also thermochemical, thermophysical, and ion energetics data.

ChemBioFinder is a "chemical search engine" for thousands of organic and inorganic substances. Search by chemical name, CAS Number, molecular formular or weight.

Database of more than 100,000 commercially available chemicals. CCD is searchable by molecular formulas, IUPAC names, common names, CAS numbers, catalogue numbers, structures /substructures or physical characteristics.

ChemSpider is a chemistry search engine. It has been built with the intention of aggregating and indexing chemical structures and their associated information into a single searchable repository and make it available to everybody, at no charge.

A database covering over 55,000 solubility measurements, compiled from 15 volumes of the IUPAC Solubility Data Series.

Knovel provides online access to four standard reference sources of chemical, physical and thermodynamic property data.

This site lists 160 000 organic and inorganic compounds, and their properties, which are reported on in the indexed Landolt-Börnstein volumes.

Links to chemistry calculators, from the basic to the advanced.

Enter a molecular formula to receive the molecular weight and elemental analysis.

This online interactive demo retrieves basic data from the PhysProp database of 25,000 compounds. The CAS Registry Number is required to look up a compound.

PubChem provides information on the biological activities of small molecules. It is a component of NIH's Molecular Libraries Roadmap Initiative.

Allows the prediction of drug-relevant properties (i.e., Toxicity Risk Assessment , cLogP Prediction, Solubility Prediction, Molecular Weights, Fragment-based Drug-Likeness Prediction, Overall Drug-Likeness Score).

Data on commercially available chemicals. Substructure searching via advanced search.

National Center for Manufacturing Sciences gives SOLV-DB, a one-stop source for solvents data. Click on "begin search" and select solvent.

ThermoDex contains records of printed and web-based thermochemical/thermophysical data for chemical compounds.

Search multiple databases on toxicology, hazardous chemicals, environmental health, and toxic releases.

Vapor pressure data, compiled from vapor pressure and vapor-liquid equilibria reference books.

Repository of structural information on protein, DNA, RNA, virus and carbohydrate structures.

BRENDA is the main collection of enzyme functional data available to the scientific community. About 3,500 "different" enzymes are covered and can be searched by name, chemical/physical properties, reaction data, etc.

ENZYME is a repository of information relative to the nomenclature of enzymes.

Product Safety Guides. A material safety data sheet (MSDS) is a form containing data regarding the properties of a particular substance.

The NIOSH Pocket Guide to Chemical Hazards (NPG) is intended as a source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals.

Official website of OSHA, including news, information on workers' rights, and legal standards.

The R&D Chemicals is a database of chemical compounds accessible over Internet. Its search engine allows you to find a chemical by its molecular formula, IUPAC name, Smiles, CAS number, structure or substructure.

Searches the websites of over 45,000 chemical industry-related entities.

Substructure Searching Help Substructure search for chemistry and drug discovery research websites.

Directory of information on chemicals registered, manufactured, and imported in Europe.

Free, peer-reviewed, data on more than 24,000 FDA-approved prescription drugs, over-the-counter medicines & natural products.

Standard medical handbook, available online for free.

Database of brand and generic drugs, including data from reliable sources such as the FDA.

Search multiple databases on toxicology, hazardous chemicals, environmental health, and toxic releases.

Label information on FDA-approved drugs.

The CDC is one of the major operating components of the Department of Health and Human Services.

The Energy Citations Database was developed by the U.S. Department of Energy (DOE) Office of Scientific and Technical Information (OSTI) to improve access to Departmental and predecessor agency scientific and technical information (STI).

Searchable gateway to authoritative science and technology information provided by U.S. government agencies, including research and development results. Deep Web databases; thousands of authoritative science Web sites; content from 12 federal science agencies; over 50M pages of science info and research results.

The National Technical Information Service serves as the largest central resource for government-funded scientific, technical, engineering, and business related information available today.

ECHO (Exploring and Collecting History Online) catalogues, annotates, and reviews sites on the history of science, technology, and industry.

Catalog of biographies on members of the scientific community in the 16th and 17th centuries.

Information on the History of Science Society, the world's largest association dedicated to understanding science, technology, and medicine with regards to their historical context.

Museo Galileo produces thematic digital libraries which include not only publications but also manuscripts, "objects" (in particular, scientific instruments) and iconographic and bibliographic archives.

Official list of Nobel Prizes in Chemistry, including facts, acceptance speeches, videos, and more.

Free historical chemistry papers, from seminal papers to interesting curiosities.