CAS Registry Number

CAS 1778-09-2 — 4-Thiomethylacetophenone

4-Thiomethylacetophenone is an aromatic ketone featuring a thiomethyl substituent, widely used as a fragrance compound in perfumery and flavor formulations, particularly for its musky, slightly sweet aroma notes. This chemical is also employed in organic synthesis and as a scent modifier in consumer products. It has a CAS number of 1778-09-2, a molecular formula of C9H10OS, and a molecular weight of 166.2401. It is stable under ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 4-Thiomethylacetophenone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.