CAS Registry Number

CAS 590-93-2 — 2-Butynoic acid

2-Butynoic acid is an unsaturated carboxylic acid with a triple bond in its structure, primarily used as a building block in organic synthesis, pharmaceutical intermediates, and agrochemical production. It serves as a key precursor in the creation of complex molecules, including vitamins and specialty chemicals. This chemical has a CAS number of 590-93-2, with the molecular formula CH3C≡CCO2H and a molecular weight of 84.07 g/mol. It is typically stored at ambient conditions and carries a "Danger" signal word under GHS classification. Molekula supplies 2-Butynoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.