Nearly 300,000 structures from ChemAxon's chemicalize.org database are now available in PubChem, including approximately 62,000 novel structures. see more...

More than 8 million structures from the SureChem patent chemistry database are now available in PubChem. Over 4 million of these structures are new to the PubChem Compound database, significantly expanding public access to novel medicinal chemistry. see more...