PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more..
ChEMBL is a manually curated database of bioactive molecules with drug-like properties. It brings together chemical, bioactivity and genomic data to aid the translation of genomic information into effective new drugs.
To promote a world where research data is openly available, integrated with the scholarly literature, and routinely re-used to create knowledge. Their mission is to provide the infrastructure for, and promote the re-use of, data underlying the scholarly literature.
Founded in 1876 and chartered by the U.S. Congress, we are one of the world’s largest scientific organizations with more than 155,000 members in 150 countries. Our mission is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and its people. Our vision is to improve people’s lives through the transforming power of chemistry.
Fosters the advancement of the chemical profession in the United States. The Institute has a corresponding dedication "to promote and protect the public welfare; to establish and maintain standards of practice for these professions; and to promote the professional experience through certification as to encourage competent and efficient service."