Appearance |
White Crystalline Powder |
Identification |
IR, UV, TLC |
Solubility |
Clearing |
Melting Point |
172~178℃ |
Specific Rotation |
+34~ +38°(C=2, In dioxane) |
Loss on drying |
≤1.0% |
Organic Volatile Impurities |
≤850PPM |
Assay |
97~103% |
Specifications︰
CAS:434-07-1
MF:C21H32O3
MW:332.48
EINECS:207-098-6
Synonyms: impurity B;Androstan-3-one, 17-hydroxy-2-(hydroxymethylene)-17-methyl-, (5α,17β)-;17-alpha-Methyl-2-hydroxymethylene-17-hydroxy-5-alpha-androstan-3-one;17-beta-androstan-3-one,17-hydroxy-2-(hydroxymethylene)-17-methyl-5-alph ;17-beta-Hydroxy-2-(hydroxymethylene)-17-alpha-methyl-5-alpha-androstan-3-one;17-beta-hydroxy-2-(hydroxymethylene)-17-methyl-5-alpha-androstan-3-on ;17beta-hydroxy-2-(hydroxymethylene)-17-methyl-5alpha-androstan-3-on ;17-beta-Hydroxy-2-hydroxymethylene-17-alpha-methyl-3-androstanone