Did you know NCBI’s PubChem is the world’s largest collection of freely accessible chemical information? You can search chemicals by name, molecular formula, structure, and other identifiers, as well as find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. We are constantly adding new data and working on improving interfaces to chemical information.
What is in PubChem?
- 118M Compounds
- 319M Substances
- 295M Bioactivity Assay Results
- 41M Literature Citations
- 51M Patents
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