CAS Registry Number

CAS 62054-49-3 — Ethyl 3-methyl-4-oxocrotonate

Ethyl 3-methyl-4-oxocrotonate is an alpha,beta-unsaturated ester widely used as an intermediate in organic synthesis, particularly for pharmaceuticals, agrochemicals, and fragrance production. It features a conjugated carbonyl system, making it valuable in Michael additions and other key reactions. Catalogue details include CAS 62054-49-3, molecular formula C7H10O3, and molecular weight 142.1525. Stable at ambient conditions with no signal word for hazard classification. Molekula supplies Ethyl 3-methyl-4-oxocrotonate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.