Betamethasone 21-acetate CAS: 987-24-6 MF: C24H31FO6 MW: 434.5 EINECS: 213-578-6 mp 200-220°C (dec.) storage temp. Refrigerator Chemical Properties White Solid Usage Betamethasone acetate (BA) Purity: 98% Usage: API Package: 1KG foil bag; 25Kg drum Email: cx05 (at) yccreate (dot) com Skype: annaaqq