Numéro CAS

CAS 71138-97-1 — Hydroxypropyl méthylcellulose acétate succinate

Hydroxypropyl methylcellulose acetate succinate (HPMCAS) is a semi-synthetic polymer used primarily as a pH-dependent excipient in pharmaceuticals, food, and cosmetics for controlled drug release, film coating, and stabilisation. This versatile derivative of cellulose offers tailored solubility and viscosity profiles. CAS 71138-97-1, molecular formula C10H22O9 (repeat unit), molecular weight 286.28 g/mol. Non-hazardous under standard conditions; store at ambient temperatures. Molekula supplies HPMCAS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.