IUPAC - International Union of Pure and Applied Chemistry

Related Sites

Recommendations on Organic & Biochemical Nomenclature, Symbols & Terminology etc.

Databases

Chemical Industry Supplier Registry

Abbreviations of Chemical Compounds

A Dictionary of Measures, Units and Conversions

Beilstein - Beilstein Information Systems

Bibliographic Databases & Reference Databanks (RSC)

CAS - Chemical Abstracts Service (divisão da ACS)

CDS - The Chemical Database Service

ChemFinder Searching by Chemical Name, CAS Number, Molecular formula, or Molecular Weight

Chemistry Index (Free University Berlin)

ChemoWeb - Databases

CHEMCYCLOPEDIA Online

Chemistry Databases Search Engines

China Chemical Database

Current Contents (ISI)

ECDIN - Environmental Chemicals Data and Information Network

EXTOXNET - The Extension Toxicology Network

EXICHEM database (OECD)

Genome Sequence DataBase (GSDB)

Hazardous Chemical Database

MSDS - Chemical Safety Information

NDB - Nucleic Acid Database

NIST Fundamental Physical Constants

NIST Standard Reference Database

NMR Periodic Table

Organic Compounds Database

PDB - Protein Data Bank

STN International - (The Scientific & Technical Information Network)

TradeName Dictionary (Merck Index)

WebMolecules

WebElements periodic table of the elements

SoftWare Search

Archie search for software in anonymous FTP sites

Filez - FTP Search

Adept Scientific plc

ACD Labs

Beilstein Informations systeme GmbH, Downloads

CambridgeSoft

Software Related Sites

Chemistry Software (NIU)

Chempute Software

Design Science (MathType)

Fujitsu

Galactic

Infometrix (Chemometrix Software)

Journal of Chemical Education Software

MathWorks, Inc. (Matlab)

MathSoft, Inc. (MathCAD)

MDL Information Systems, Inc. (Chime; ISIS/Draw)

Multisimplex

Oxford Molecular Group

Pharmaceutical Molecules

Princeton Simulations

SciVision

SiliconGraphics: Chemistry and Biological Sciences

SoftShell (ChemWindow and ChemWeb)

Spot Software (Chemie)

Synopsys Scientific Systems Ltd

Wolfram Research, Inc. (Mathematica)

3D Structure Database of Chemicals with Pharmaceutical Activity

3D Virtual Chemistry Library - Imperial College

Amino Acids

Chemist's Art Gallery

CMM - Center for Molecular Modeling

Hyperactive Molecules

Molecular Library

Molecular Graphics Laboratory

Molecular Modeling for Chemical Education - Lebanon Valley College

Molecular Structures

Molecule graphics files

Molecules from Chemistry at Okanagan University College

NIH Molecular Modeling

Protein Data Bank

Structure Files Malathion, Medflies and Medicines

The Molecular Expressions Photo Gallery

WebMolecules

 

Miscellaneous 

Organic Chemistry On Line

The Analytical Chemistry Springboard