CAS Registry Number

CAS 4046-02-0 — Ethyl 4-hydroxy-3-methoxycinnamate (Ferulic acid ethyl ester)

Ethyl 4-hydroxy-3-methoxycinnamate, also called ferulic acid ethyl ester, is a naturally derived ester used primarily as a UV absorber in cosmetics and sunscreens, as well as a preservative and antioxidant in food and pharmaceutical formulations. It is a pale yellow to white crystalline powder with a molecular formula of HOC6H3(OCH3)CH=CHCO2C2H5 and a molecular weight of 222.24. The product is stable at ambient storage conditions but requires careful handling due to its warning-level hazards. Molekula supplies Ethyl 4-hydroxy-3-methoxycinnamate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.