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Chemistry
Abbreviations of Chemical Compounds
Find the name of the chemical compound from its abbreviation.
ChemIDplus Advanced
CHEM IDplus is a chemical dictionary file for over 339,000 compounds. Records include Chemical Abstracts Service registry numbers (RN) and other identifying numbers, molecular formula, generic names, other synonyms, and Medical Subject Headings (MeSH). Sponsored and maintained by the National Library of Medicine (NLM).
CRC Handbook of Chemistry and Physics
Online counterpart of the print edition.
NIST (National Institute of Standards and Technology) Reference on Constants, Units, and Uncertainty
This site provides fundamental constants, SI (International System) units, and conversion factors.
Periodic Tables
A selection of Periodic Tables on the World Wide Web.
Advanced Materials Information Center
Properties, applications and recent research for elements in the periodic table.
II. Physical Constants
Aldrich Catalog of Fine Chemicals
Provides molecular and spectra data. Possible available data
includes: boiling point (bp), melting point (mp), density
(d), flash point (Fp), formula weight (FW), index of refraction,
and chemical purity. Pertinent literature references to: Beilstein,
Merck, Fieser, Aldrich Library of 13C, FT-IR, and
1H FT NMR Spectra and Chemical Abstracts Service registry number (RN).
Combined Chemical Dictionary
Includes descriptive and numerical data on chemical, physical
and biological properties of compounds. Covers compounds
published in:
Dictionary of Organic Compounds, Dictionary
of Natural Products, Dictionary of Inorganic and
Organometallic Compounds, Dictionary of Drugs,
and Dictionary of Analytical Reagents.
ChemFinder Server
A searchable substructure database for over 3,800 chemical
compounds. Provides basic physical data and links to websites
containing other data for a large number of chemical compounds.
It is searchable by name, molecular weight (MW), molecular
formula (MF), Chemical Abstracts Service registry number
(RN), or structure.
The Laws List
A collection of laws, rules, and constants in physical chemistry.
NIST Chemistry WebBook
Contains, among other data, thermochemical
tables, IR and mass spectra, enthalpy, heat capacity, entropy,
and vapor pressure for organic and inorganic compounds.
NIST Reference on Constants, Units, and Uncertainty
Contains CODATA internationally recommended values for fundamental physical constants.
Organic Compounds Database
This database provides physical data on a large number of
organic compounds, including molecular weight (MW), melting
point (mp), boiling point (bp), index of refraction and
UV absorption peaks. It is searchable by name, molecular
formula, or by data values for the above properties.
WebElements
A hypertext-linked collection of property data on the first
112 elements. It's also the site of the ChemPuter, helpful
for solving chemical equations.
III. Thermophysical Data
Thermodex
This database contains records for over 120 printed handbooks
and compilations of thermodynamic and thermophysical data
excluding Beilstein, Landolt-Bornstein, CRC Handbook
of Chemistry and Physics and Perry's Handbook.
It enables you to enter type of compound or physical property,
and will return a list of handbooks that might contain this
data. Full entries include title, a brief abstract explaining
the work's scope and arrangement, and the properties and
types of compounds included.
IV. Biochemistry
Metabolic Pathways of Biochemistry
An online reference to carbohydrate, lipid, amino acid, and energy metabolism. This site is designed to graphically represent all major metabolic pathways, primarily those important to human biochemistry.
Table of the Nuclides
An interactive web site displaying all known nuclides.
V. Hazardous Chemicals
Hazardous Chemicals Database
This database contains information on 1300 hazardous chemicals.
It is searchable by keyword only. Potential keywords include
names, formula and registry numbers (CAS, DOT, RTECS and EPA).
Encyclopedia
Britannica Online
Numerous articles and short definitions covering every aspect
of chemistry. Includes explanation of chemical use, properties,
occurrences, famous works, and biographies.
Online Journals
Search all available EJournals
American Chemical Society (ACS) Hot Articles
Select full text articles from ACS journals. Arranged by journal.
Indexes to Journal Literature
Chemical Abstracts via SciFinder Scholar, 1907+
(SEL workstations 7-8 or client download for office use)
Chemical Abstracts is the largest and most comprehensive database
of chemical literature in the world. The SciFinder Scholar
software provides a graphic interface that permits easy, natural
language searching by subject, author, and chemical substance.
PubMed, 1966+
PubMed is the National Library of Medicine's search service
that provides access to over 11 million citations in MEDLINE,
PreMEDLINE, and other related databases.
Web of Science, 1983+
Provides broad coverage of a wide range of scientific and
technical disciplines and can be used to identify the works
of a particular author cited in other references.
CKMech Citations
Searchable database of citations to articles having thermochemical
or chemical kinetic data for selected molecular species and
chemical reactions. The citations are searchable by keyword,
author, journal, and publication year. Database maintained
by the Reacting Flows Group of the National Institute of Standards
and Technology.
Protein Data Bank
A comprehensive archive of three-dimensional macromolecule
structures. The archive contains atomic coordinates, bibliographic
citations, primary and secondary structure information, as
well as crystallographic structure factors and NMR experimental
data. Database maintained by the Research Collaboratory for
Structural Bioinformatics (RCSB).
Toxnet
The National Library of Medicine's cluster of databases on
toxicology, hazardous chemicals, and related areas.