BioScreening - organic compounds for screening / Web Links / Market Places, Buyers Guides

Biotechstock - Information on the history of biotechnology, drug discovery, and clinical trials. An extensive glossary. Information on undervalued biotech equities.

BuyersGuideChem - A directory of suppliers of chemicals and chemical products

Chem.Com - Fine chemicals, organic chemicals, inorganic chemicals, biochemicals, and custom synthesis catalogs on the Web.

Chemicalonline - Digital Marketplace for the chemical process industry. For professionals in the chemical industry. Contains industry news, manufacturers, regulatory updates, latest technology announcements and more.

China Chemical Network - Searchable database of Chinese chemical firms, chemicals wanted and for sale.

Chem-Helper.com United States
Chem-Helper.com provides information about chemical manufacturers, distributors, also equipment and related industries software.