ChemicalBook CAS DataBase List 912-38-9

912-38-9

Name	9,11β-Epoxy-17-hydroxy-16β-methyl-3,20-dioxo-9β-pregna-1,4-diene-21-yl Acetate
CAS	912-38-9
EINECS(EC#)	213-012-8
Molecular Formula	C24H30O6
MDL Number	MFCD28359078
Molecular Weight	414.491
MOL File	912-38-9.mol

Synonyms

Betamethasone Impurity 18 Betamethasone Acetate - Impurity D Betamethasone Acetate EP Impurity D 21-O-Acetyl Betamethasone 9, 11-Epoxide Betamethasone Impurity 21（Betamethasone Acetate EP Impurity D） Betamethasone Impurity 18 (Desoximetasone Beta Methyl Epoxide 21-Acetate) 9,11-Epoxy-17,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione 21-acetate 21-Acetyloxy-9β,11β-epoxy-17-hydroxy-16β-methylpregna-1,4-diene-3,20-dione 9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate 9β,11β-epoxy-17α,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-acetate (9β)-9,11β-Epoxy-16β-methyl-17,21-dihydroxypregna-1,4-diene-3,20-dione 21-acetate beta,11beta-Epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate 9beta,11beta-epoxy-17,21-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione 21-acetate Betamethasone Acetate impurity 2/Betamethasone Acetate EP Impurity D/9β,11β-Epoxy-17,21-dihydroxy-16β-methylpregna-1,4-diene-3,20-dione 21-Acetate

Chemical Properties

Melting point	198-203°C
Boiling point	575.1±50.0 °C(Predicted)
density	1.29±0.1 g/cm3(Predicted)
storage temp.	-20°C Freezer
solubility	Chloroform (Slightly), Dioxane (Slightly), DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	12.51±0.70(Predicted)
color	White

Safety Data

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H373
Precautionary statements	P260-P314-P501
HS Code	2937290000

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