testosterone and its Impurities
An anabolic steroid from the androstane class, Testosterone is a male sex hormone which is responsible for the development of male reproductive tissues and promoting secondary sexual characteristics.Reference standards of Testosterone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(8S,9R,10S,13S,14S)-9,17-Dihydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
(8S,9R,10S,13S,14S)-9,17-Dihydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Catalogue No.:PAI 20 011040
CAS :
865540-11-0
Molecular Formula : C19H28O3
Molecular Weight : 304.43


(8S,9R,10S,13S,14S)-9-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
(8S,9R,10S,13S,14S)-9-Hydroxy-10,13-dimethyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
Catalogue No.:PAI 20 011050
CAS :
NA
Molecular Formula : C21H30O4
Molecular Weight : 346.47


(8S,9R,10S,13S,14S)-10,13-dimethyl-1,6,7,8,10,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-9,17(2H)-diol
(8S,9R,10S,13S,14S)-10,13-dimethyl-1,6,7,8,10,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-9,17(2H)-diol
Catalogue No.:PAI 20 011060
CAS :
NA
Molecular Formula : C21H32O4
Molecular Weight : 348.48


(3S,10R,13S)-10,13-Dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolane]-3-yl acetate
(3S,10R,13S)-10,13-Dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydrospiro[cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolane]-3-yl acetate
Catalogue No.:PA 20 0151007
CAS :
17921-59-4
Molecular Formula : C23H34O4
Molecular Weight : 374.52