CAS Registry Number

CAS 527-72-0 — Thiophene-2-carboxylic acid

Thiophene-2-carboxylic acid is an aromatic heterocyclic compound containing a thiophene ring fused with a carboxylic acid group, primarily used as a building block in organic synthesis, pharmaceuticals, and agrochemicals. It serves as a key intermediate for dyes, polymers, and biologically active molecules. This chemical has a CAS number of 527-72-0, a molecular formula of C5H4O2S, and a molecular weight of 128.15 g/mol. It is stored at ambient conditions and carries a signal word of "Warning" for safety classification. Molekula supplies Thiophene-2-carboxylic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.