CAS Registry Number

CAS 121-00-6 — 3-tert-Butyl-4-hydroxyanisole

3-*tert*-Butyl-4-hydroxyanisole (BHA) is a synthetic antioxidant widely used in food, cosmetics, and pharmaceuticals to prevent oxidation and extend shelf life. It appears as a white to off-white crystalline powder with a faint phenolic odor. Catalogue details: CAS 121-00-6, molecular formula C11H16O2, molecular weight 180.24 g/mol, and requires ambient storage. The product carries a warning signal word due to moderate hazard. Molekula supplies 3-*tert*-Butyl-4-hydroxyanisole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.