Resolve chemical identifiers via the PubChem REST APIⓘLooks up SMILES, CAS numbers, chemical names, InChIKeys, and InChI strings against PubChem, returning structures, properties, and GHS safety data. Resolve one at a time or in batch — including directly from ChemDraw CDXML reaction files — and view compounds in 2D or 3D.
BatchⓘRate limited to 4 requests/s per user via PubChem API