difluprednate and its Impurities
Difluprednate is a topical corticosteroid indicated for the treatment of infammation and pain associated with ocular surgery. It is also used to treat anterior uveitis, inflammation.. Reference standards of Difluprednate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
(6S,8S,9R,10S,11S,13S,14S,17S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic Acid
(6S,8S,9R,10S,11S,13S,14S,17S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic Acid
Catalogue No.:PA 04 71560
CAS :
167997-12-8
Molecular Formula : C20H24F2O4
Molecular Weight : 366.4
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11,17-dihydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one
Catalogue No.:PA 04 71570
CAS :
NA
Molecular Formula : C19H22F2O3
Molecular Weight : 336.37
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one
Catalogue No.:PA 04 71580
CAS :
1270039-29-6
Molecular Formula : C21H24F2O4
Molecular Weight : 378.41
2-((6S,8S,9R,10S,11S,13S,14S,17R)-17-(Butyryloxy)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 3-methylbutanoate
2-((6S,8S,9R,10S,11S,13S,14S,17R)-17-(Butyryloxy)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 3-methylbutanoate
Catalogue No.:PA 04 71590
CAS :
NA
Molecular Formula : C30H40F2O7
Molecular Weight : 550.63
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
(6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
Catalogue No.:PA 04 71600
CAS :
NA
Molecular Formula : C22H26F2O6
Molecular Weight : 424.44
(2'R,4'R,6S,9R,10S,11S,13S)-2'-Ethoxy-6,9-difluoro-11-hydroxy-2',10,13-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(6H)-dione
(2'R,4'R,6S,9R,10S,11S,13S)-2'-Ethoxy-6,9-difluoro-11-hydroxy-2',10,13-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(6H)-dione
Catalogue No.:PAI 04 013010
CAS :
NA
Molecular Formula : C25H32F2O6
Molecular Weight : 466.51
2-((6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-hydroxyacetaldehyde
2-((6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-hydroxyacetaldehyde
Catalogue No.:PA 04 71620
CAS :
NA
Molecular Formula : C21H24F2O4
Molecular Weight : 378.42
(6S,8S,9R,10S,11S,13S,14S,17R)-17-(2-Acetoxyacetyl)-9-chloro-6-fluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
(6S,8S,9R,10S,11S,13S,14S,17R)-17-(2-Acetoxyacetyl)-9-chloro-6-fluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
Catalogue No.:PA 04 0711000
CAS :
NA
Molecular Formula : C27H34ClFO7
Molecular Weight : 525.01
(6S,9R,10S,13S)-6,9-Difluoro-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
(6S,9R,10S,13S)-6,9-Difluoro-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
Catalogue No.:PA 04 0711001
CAS :
NA
Molecular Formula : C21H24F2O4
Molecular Weight : 378.42
(6S,8S,9R,10S,11S,13S,14S,17R)-9-fluoro-6,11-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
(6S,8S,9R,10S,11S,13S,14S,17R)-9-fluoro-6,11-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
Catalogue No.:PA 04 0711003
CAS :
1296177-38-2
Molecular Formula : C25H33FO7
Molecular Weight : 464.53
(Z)-2-((6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-hydroxyacetaldehyde
(Z)-2-((6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-10,13-dimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-2-hydroxyacetaldehyde
Catalogue No.:PA 04 0711004
CAS :
NA
Molecular Formula : C21H24F2O4
Molecular Weight : 378.42