Primary Chemistry & Chemical Engineering Handbooks, Tables, Properties & Datasheets

CRC Handbook of Chemistry and Physics
Also Known as: Handbook of Chemistry and Physics
Online version of the 91st edition of the CRC Handbook of Chemistry and Physics containing frequently used data in science including the periodic table of elements, basic constants and units, thermody...   [more]
Holdings: 2001-

e-EROS : Encyclopedia of Reagents for Organic Synthesis
Also Known as: Encyclopedia of Reagents for Organic Synthesis , EROS
- from Wiley Online Library
This work is the definitive reference source for reagents used in organic synthesis, and utilizes the full potential benefits of the web by allowing chemical structure, substructure and reaction searc...   [more]

Reaxys
Reaxys is one of the largest handbooks of substances, their properties, and their reactions, combining data from three sources, the Beilstein Handbook of Organic Chemistry, the Gmelin Handbook of Inor...   [more]
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Important Chemistry & Chemical Engineering Handbooks, Tables, Properties & Datasheets

AffinDB
A free affinity data online resource of protein-ligand complexes from the Protein Data Bank (PDB). Includes relevant links to PubMed....   [more]
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BindingDB
Search binding affinities for proteins and small molecules by target name, compound name, enzyme-substrate, author, substructure and more. Includes virtual screening tools....   [more]
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BioCyc Open Chemical Database (BOCD)
BioCyc Open Chemical Database (BOCD) is a free database of chemical compounds that serve as substrates in enzyme-catalyzed metabolic reactions. Also includes some compounds acting as enzyme activators...   [more]

Buffers for pH Control
For web-based buffer calculations, this site contains software for the calculation of thermodynamically correct buffer solutions....   [more]
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ChEBI Chemical Entities of Biological Interest
A freely available dictionary of small molecular entities. The term molecular entity encompasses any constitutionally or isotopically distinct atom, molecule, ion, ion pair, radical, radical ion, com...   [more]
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ChemDB Portal
A free web resource featuring a chemical search, a "virtual chemical space," reaction tutorials, learning datasets, tools and supplemental articles....   [more]
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ChemExper
Searches more than 100,000 compounds by name, formula, CAS number, substructure, or properties. Retrieves physical properties, as well as commercial availability....   [more]
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Chemical Structure Lookup Service - CSLS
A free database of 74 million structures from over 100 databases....   [more]
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Chemiluminescent Reactions and Liquid Chromatography
This site describes HPLC chromatographic systems. ...   [more]
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ChemMine
This free web resource consists of a compound database, a cheminformatic workbench and a screening database....   [more]
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Common Chemistry
Common Chemistry, developed by Chemical Abstracts Service (CAS) in conjunction with Wikipedia, is a look-up service for about 7900 common chemicals. It can be used to definitively obtain a CAS Regist...   [more]
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Compendium of Pesticide Common Names
A free database of ISO-approved (completely and provisionally) standard names of chemical pesticides. Includes datasheets, indexes and pesticide classifications that are current up to February 2007....   [more]

Computational Chemistry Comparison and Benchmark Database
Also Known as: CCCBDB
A free NIST resource with experimental and calculated data, data and cost comparisons along with reaction and entropy data, tutorials and input and output files. Also includes links to bad calculation...   [more]
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Data & Property Calculation Websites
Maintained by the Thermodynamics Research Laboratory, University of Illinois at Chicago....   [more]
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eMolecules
Also Known as: e-Molecules
A free database of information and suppliers for 6 million chemicals....   [more]
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International Critical Tables of Numerical Data, Physics, Chemistry and Technology
Also Known as: knovel
- from Knovel Engineering & Scientific Online Reference Books
This classic and well-known reference was originally published for the National Research Council in 7 volumes. It contains an enormous amount of critical data on inorganic and organic compounds, and ...   [more]

IUPAC Nomenclature of Organic Chemistry
This site includes the most recent IUPAC recommendations for naming organic compounds....   [more]
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IUPAC-NIST Solubility Data Series
Search this free online resource by data series, solubility system name, CAS Registry number, chemical name, molecular formula or scientific citation....   [more]
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Knovel Engineering & Scientific Online Reference Books
Also Known as: Knovel
- from Knovel Engineering & Scientific Online Reference Books
Online fulltext access to nearly 800 leading Science and Engineering Reference works....   [more]

Landolt-Börnstein Online Index
This site lists all substances and their properties which are reported on in the indexed Landolt-Börnstein volumes. In total, 160 000 organic and inorganic compounds are described by names, molec...   [more]
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Mass Spec Tips
Mass Spec Tips is a collection of tips relating to the operation and service of mass spectrometers....   [more]
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Materials Safety Data Sheets
Also Known as: MSDS
A guide to information on Materials Safety Data Sheets (MSDS), including Government, Organization, and University sites....   [more]
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Molecule of the Month
Each month a new molecule will be added to the list on this page. The links will take you to a page at one of the Web sites at a University Chemistry Department or commercial site in the UK, the US, o...   [more]
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National Toxicology Program (NTP)
Search the Department of Health and Human Services' NTP site includes structures, properties, human and non-human toxicity excerpts, testing status, abstracts and study reports....   [more]
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NIMH Psychoactive Drug Screening Program Ki Database (PDSP)
Search this free web database of over 45,518 Ki values by receptor, species, source, hot ligand, test ligand, reference or Ki value....   [more]
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NIST Atomic Spectra Databases
This database contains critically evaluated NIST data for radiative transitions and energy levels in atoms and atomic ions. Data are included for observed transitions of 99 elements and energy levels ...   [more]
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NIST Ceramics WebBook
Also Known as: Ceramics WebBook , High Temperature Superconducting Materials Database , Structural Ceramics Database , Property Data Summaries
This section of the NIST Ceramics WebBook contains evaluated property data from the NIST High Temperature Superconducting Materials Database, NIST Structural Ceramics Database, and NI...   [more]
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NIST Chemical Kinetics Database
This database of gas-phase kinetics information for more than 38,000 reactions is drawn from literature through early 2000. The database is searchable by reactant, product, or bibliographic data. It...   [more]
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NIST Chemistry WebBook
This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program, including much of the data from the NIST-JANAF Thermochemical Tab...   [more]
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Supplemental URLs
    Guide to NIST Chemistry WebBook

NIST Data Gateway
Serves as a gateway to many databases from the National Institute of Standards and Technology....   [more]
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NIST Physical Reference Data
Property information organized by element, including Physical Constants, Atomic Spectroscopic Data, Molecular Spectroscopic Data, Atomic and Molecular Data, X-Ray and Gamma-Ray Data, Radiation Dosimet...   [more]
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NIST Reference on Constants, Units, and Uncertainty
This site addresses three topics: fundamental physical constants, the International System of Units (SI), which is the modern metric system, and expressing the uncertainty of measurement results. ...   [more]
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Oligo Calc
Oligonucleotide Properties Calculator...   [more]
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Periodic Table Issue of C&EN
Also Known as: Chemical and Engineering News , Chemical & Engineering News
A clickable periodic table that links to stories about each element, written by leaders in the field, this was first published in print in honor of the 80th anniversary of Chemical & Engineering Ne...   [more]
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Periodic Table of Data
A visual database of physical and thermochemical properties of the chemical elements compiled by the Royal Society of Chemistry...   [more]
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Periodic Table of Elements absorption/emission spectrum
From the University of Oregon. Select an element from the Periodic Table, and it will show either the absorption or emission spectrum. If you click on the spectral image, you can discover the exact wa...   [more]
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Protein Data Bank
Also Known as: pdb
The PDB is the single worldwide repository for the processing and distribution of 3-D biological macromolecular structure data....   [more]
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Sheffield ChemPuter
Includes calculators for isotope patterns, element percentages, oxidation state of d-block metals in a complex ...   [more]
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Smithsonian Physical Tables
Also Known as: knovel
- from Knovel Engineering & Scientific Online Reference Books
Originally published by Smithsonian Institution Press, this classic reference source comprises 901 tables of general interest to scientists and engineers, and of particular interest to those involved ...   [more]

WebReactions
Draw a complete reaction to search this free web resource. Reactions are indexed by bond changes....   [more]
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ZINC
ZINC is a free non-commercial database of 4.6 million commercially-available 3D and ready-to-doc compounds....   [more]
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