ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

MolPort is a platform for chemical sourcing and logistics. MolPort is advanced chemical marketplace, made for the research scientists in the chemical ...

Santa Cruz Biotechnology is the leading supplier of antibodies, antibody support products, gene silencers, biochemicals, buffers, lab reagents and lab...

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Make toys at home with common household materials, often in only a few minutes, that demonstrate fascinating scientific principles.

Airgas distributes industrial, medical, and specialty gases, welding supplies, safety products, and tools online through over 700 locations nationwide...