英文名稱
Betamethasone 11,21-Diacetate
2-(8S,9R,10S,11S,13S,14S,16S,17R)-11-乙酰氧基-9-氟-17-羥基-10,13,16-三甲基-3-氧-6,7,8,9,10,11,12,13,14,15,16,17-十二氫-3H-環戊基[a]菲-17-基)-2-氧乙基醋酸鹽 (倍他米松雜質)
Smiles Code
C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@@]3(F)[C@H](C[C@]2(C)[C@@]1(O)C(=O)COC(=O)C)OC(=O)C
Pale Brown to Light Brown Solid
Chloroform (Slightly), Methanol (Slightly)
Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
Betamethasone 11?,21-Diacetate is an impurity of Betamethasone 21-Acetate (B327025); a glucocorticoid steroid with anti-inflammatory and immunosuppressive properties which can be used in treatment of asthma and itching.