CAS Registry Number

CAS 501-98-4 — 4-Hydroxycinnamic acid

4-Hydroxycinnamic acid is an organic compound belonging to the hydroxycinnamic acid family, widely used in pharmaceuticals, food preservation, and as a precursor in the synthesis of various bioactive compounds, including antioxidants and UV filters. It appears as a white to pale yellow crystalline powder, soluble in organic solvents. This chemical has a CAS number of 501-98-4, a molecular formula of HOC6H4CH=CHCO2H, and a molecular weight of 164.16. It should be stored at ambient conditions and handled with caution, as indicated by its "Warning" signal word. Molekula supplies 4-Hydroxycinnamic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.