CAS Registry Number

CAS 7283-96-7 — 5-Chloro-2-thiophenecarboxaldehyde

5-Chloro-2-thiophenecarboxaldehyde is an aromatic aldehyde derivative containing a chlorine substituent on a thiophene ring, widely used in organic synthesis, pharmaceutical intermediates, and agrochemical production for its reactivity in forming heterocyclic compounds. This reagent features a CAS number of 7283-96-7, molecular formula C5H3ClOS, and a molecular weight of 146.5947 g/mol. It is stable at ambient storage conditions with no signal word classification. Molekula supplies 5-Chloro-2-thiophenecarboxaldehyde from research to bulk quantities with full documentation and ISO 9001:2015 traceability.