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Chemistry: Useful Sources

Free Web Sources for Chemistry

Chemguide Helping you to understand chemistry

Chemical Safety Library  The Pistoia Alliance Chemical Safety Library (CSL) provides unique crowd sourced data content containing hazardous reactions that can be used to alert scientists to potential dangerous experiments.

ChemSpider ChemSpider is a free chemical structure database providing fast text and structure search access to over 34 million structures from hundreds of data sources.

Common Chemistry CAS Registry Numbers for approximately 7,900 chemicals of widespread general public interest. 

International Union of Pure and Applied Chemistry UPAC is the universally-recognized authority on chemical nomenclature and terminology 

Meet the Elements - The Scholarly Kitchen

Organic Synthesis  A publication of reliable methods for the preparation of organic compounds.

PubChem Free database of chemical structures of small organic molecules and information on their biological activities.

The Royal Society of Chemistry

The South African Chemical Institute