CAS:223776-49-6|(11b,16a,17a)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one

Catalogue Number:C366515
Chemical Name:(11b,16a,17a)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one
Synonyms:Mometasone Furoate Impurity B; Mometasone EP Impurity B
Impurity:Mometasone Furoate EP Impurity B
CAS Number:223776-49-6
Molecular Formula:C₂₈H₃₁ClO₈S
Appearance:White to Pale Beige Solid
Melting Point:>145°C (dec.)
Molecular Weight:563.06
Storage:-20°C
Solubility:Chloroform (Slightly), Methanol (Slightly)
Stability
Light Sensitive
Category:Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:(11b,16a,17a)-9-Chloro-17-(2,2-dioxido-5H-1,2-oxathiol-4-yl)-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-androsta-1,4-dien-3-one (Mometasone EP Impurity B) is an impurity of Mometasone Furoate, a topical corticosteroid used as an anti-inflammatory.
References:Shapiro, E.L., et al.: J. Med. Chem., 30, 1581 (1987); Graft, D., et al.: J. Allergy Clin. Immunol., 98, 724 (1996)
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