CAS 330157-05-6

Betamethasone Acetate Related Compound C (9-Fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione 11,21-diacetate)

CAS: 330157-05-6

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides etc not elsewhere specified or included

Formula: C₂₆H₃₃FO₇

Color and Shape: White Powder

Molecular weight: 476.22103

Ref: 45-1067034

2-((8S,9R,10S,11S,13S,14S,16S,17R)-11-Acetoxy-9-fluoro-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Betamethasone Acetate Impurity)

CAS: 330157-05-6

2-((8S,9R,10S,11S,13S,14S,16S,17R)-11-Acetoxy-9-fluoro-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate (Betamethasone Acetate Impurity)

Purity: 98%

Ref: 54-PC1001573

Betamethasone Acetate EP Impurity C (Betamethasone Acetate USP Related Compound C, Betamethasone 11,21-Diacetate)

CAS: 330157-05-6

Formula: C₂₆H₃₃FO₇

Color and Shape: Pale Yellow Solid

Molecular weight: 476.54

Ref: 4Z-B-065062

Betamethasone EP Impurity C

CAS: 330157-05-6

Formula: C₂₆H₃₃FO₇

Color and Shape: Neat

Molecular weight: 476.53

Ref: 86-MM0201.03

Betamethasone 11,21-Diacetate

Controlled Product

CAS: 330157-05-6

Impurity Betamethasone Acetate EP Impurity C
Applications Betamethasone 11β,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.
References Kerns, E., et al.: J. Pharm. Sci., 90, 1838 (2001); Seidler, J., et al.: J. Med. Chem., 46, 4477 (2003); Alsenz, J., et al.: J. Pharm. Sci., 96, 1748 (2007)

Formula: C₂₆H₃₃FO₇

Color and Shape: White

Molecular weight: 476.53

Ref: TR-B327100

Betamethasone Acetate EP Impurity C

CAS: 330157-05-6

Formula: C₂₆H₃₃FO₇

Molecular weight: 476.54

Ref: ST-EA-CP-B104003