minocycline and its Impurities
Minocycline is used to treat many different bacterial infections, such as urinary tract infections, respiratory infections, skin infections, severe acne, chlamydia, tick fever. It is available as a generic medication. Reference standards of Minocycline API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(4S,4aS,12aS)-4-(Dimethylamino)-3,7,10,11,12a-pentahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
(4S,4aS,12aS)-4-(Dimethylamino)-3,7,10,11,12a-pentahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PA 40 02540
CAS :
NA
Molecular Formula : C21H20N2O8
Molecular Weight : 428.39


(4S,4aR,12aR)-4,7,9-tris(Dimethylamino)-3,10,11-trihydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
(4S,4aR,12aR)-4,7,9-tris(Dimethylamino)-3,10,11-trihydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PA 40 02550
CAS :
NA
Molecular Formula : C25H30N4O6
Molecular Weight : 482.53


7-(Dimethylamino)-10,11,12a-trihydroxy-4-(methylamino)-1,3,12-trioxo-1,2,3,4,4a,5,5a,6,12,12a-decahydrotetracene-2-carboxamide
7-(Dimethylamino)-10,11,12a-trihydroxy-4-(methylamino)-1,3,12-trioxo-1,2,3,4,4a,5,5a,6,12,12a-decahydrotetracene-2-carboxamide
Catalogue No.:PA 40 02570
CAS :
NA
Molecular Formula : C22H25N3O7
Molecular Weight : 443.45


(4S,4aS,5aR,12aS)-4-(Dimethylamino)-7-((2-(dimethylamino)ethyl)(methyl)amino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-7-((2-(dimethylamino)ethyl)(methyl)amino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 02580
CAS :
NA
Molecular Formula : C26H34N4O7
Molecular Weight : 514.57


(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 02590
CAS :
NA
Molecular Formula : C25H32N4O7
Molecular Weight : 500.54


(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12 ,12a-tetrahydroxy-7-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a- octahydrotetracene-2-carboxamide
(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12 ,12a-tetrahydroxy-7-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a- octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005010
CAS :
NA
Molecular Formula : C23H20ClNO6
Molecular Weight : 429.40


(4S,4aS,5aR,12aS)-4,7-Bis(dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4,7-Bis(dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005020
CAS :
149934-16-7
Molecular Formula : C23H26N4O9
Molecular Weight : 502.47


(4S,4aS,5aR,12aS)-9-amino-4,7-Bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-9-amino-4,7-Bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005030
CAS :
NA
Molecular Formula : C23H28N4O7
Molecular Weight : 472.49


(4S,4aS,5aR,12aS)-7-Bromo-4-(dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-7-Bromo-4-(dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005040
CAS :
NA
Molecular Formula : C21H20BrN3O9
Molecular Weight : 538.30


(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-iodo-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4R,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-iodo-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005050
CAS :
NA
Molecular Formula : C21H21IN2O7
Molecular Weight : 540.31


(S)-N-((5aR,6aS,7S,10aS)-9-Carbamoyl-7-(dimethylamino)-4-fluoro-1,8,10a,11-tetrahydroxy-10,12-dioxo-5,5a,6,6a,7,10,10a,12-octahydrotetracen-2-yl)-1-methylpyrrolidine-2-carboxamide
(S)-N-((5aR,6aS,7S,10aS)-9-Carbamoyl-7-(dimethylamino)-4-fluoro-1,8,10a,11-tetrahydroxy-10,12-dioxo-5,5a,6,6a,7,10,10a,12-octahydrotetracen-2-yl)-1-methylpyrrolidine-2-carboxamide
Catalogue No.:PA 40 0021004
CAS :
1207284-17-0
Molecular Formula : C27H31FN4O8
Molecular Weight : 558.56


(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221002
CAS :
NA
Molecular Formula : C25H32N4O7
Molecular Weight : 500.55


11a-Bromo-4,7-bis(dimethylamino)-3,10,12a-trihydroxy-1,11,12-trioxo-1,4,4a,5,5a,6,11,11a,12,12a-decahydrotetracene-2-carboxamide
11a-Bromo-4,7-bis(dimethylamino)-3,10,12a-trihydroxy-1,11,12-trioxo-1,4,4a,5,5a,6,11,11a,12,12a-decahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005051
CAS :
19119-13-2
Molecular Formula : C23H26BrN3O7
Molecular Weight : 536.38


(4R,4aR,5aS,12aR)-9-Amino-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4R,4aR,5aS,12aR)-9-Amino-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005052
CAS :
NA
Molecular Formula : C23H28N4O7
Molecular Weight : 472.5


(4S,4aS,5aR,12aS)-7-(Dimethylamino)-3,10,12,12a-tetrahydroxy-4-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-7-(Dimethylamino)-3,10,12,12a-tetrahydroxy-4-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221006
CAS :
NA
Molecular Formula : C22H24N4O8
Molecular Weight : 472.45


(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221007
CAS :
28698-93-3
Molecular Formula : C22H24N4O8
Molecular Weight : 472.45


(4S,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,11,12a-hexahydrotetracene-2-carboxamide
(4S,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,11,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005053
CAS :
31981-86-9
Molecular Formula : C21H20N2O7
Molecular Weight : 412.4


(4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-7-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-7-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005054
CAS :
17779-40-7
Molecular Formula : C21H21N3O10
Molecular Weight : 475.41


(4S,4aS,5aR,12aR)-11a-Bromo-4,7-bis(dimethylamino)-3,10,12a-trihydroxy-1,11,12-trioxo-1,4,4a,5,5a,6,11,11a,12,12a-decahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aR)-11a-Bromo-4,7-bis(dimethylamino)-3,10,12a-trihydroxy-1,11,12-trioxo-1,4,4a,5,5a,6,11,11a,12,12a-decahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005056
CAS :
NA
Molecular Formula : C23H26BrN3O7
Molecular Weight : 536.38


(4S,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-iodo-1,11-dioxo-1,4,4a,5,11,12a-hexahydrotetracene-2-carboxamide
(4S,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-iodo-1,11-dioxo-1,4,4a,5,11,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005057
CAS :
NA
Molecular Formula : C21H19IN2O7
Molecular Weight : 538.29


(4S,4aS)-9-Amino-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,5a,6,12,12a-octahydrotetracene-2-carboxamide
(4S,4aS)-9-Amino-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,5a,6,12,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005058
CAS :
NA
Molecular Formula : C21H23N3O7
Molecular Weight : 429.43


(4S,4aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-7,9-dinitro-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
(4S,4aS)-4-(Dimethylamino)-3,10,11,12a-tetrahydroxy-7,9-dinitro-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005059
CAS :
NA
Molecular Formula : C21H18N4O11
Molecular Weight : 502.39


(4S,4aS)-7,9-Diamino-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
(4S,4aS)-7,9-Diamino-4-(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005060
CAS :
NA
Molecular Formula : C21H22N4O7
Molecular Weight : 442.43


(4S,4aS)-4,7,9-Tris(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
(4S,4aS)-4,7,9-Tris(dimethylamino)-3,10,11,12a-tetrahydroxy-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide
Catalogue No.:PAI 13 005061
CAS :
NA
Molecular Formula : C25H30N4O7
Molecular Weight : 498.54


(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-9-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-9-(methyl(nitroso)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221009
CAS :
28698-94-4
Molecular Formula : C22H24N4O8
Molecular Weight : 472.45


(4R,4aS,5aR,12aS)-4-(Dimethylamino)-7-((2-(dimethylamino)ethyl)(methyl)amino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4R,4aS,5aR,12aS)-4-(Dimethylamino)-7-((2-(dimethylamino)ethyl)(methyl)amino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221012
CAS :
NA
Molecular Formula : C26H34N4O7
Molecular Weight : 514.58


(4S,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-10-((1,3-dioxoisoindolin-2-yl)methoxy)-N,9-bis((1,3-dioxoisoindolin-2-yl)methyl)-3,12,12a-trihydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-10-((1,3-dioxoisoindolin-2-yl)methoxy)-N,9-bis((1,3-dioxoisoindolin-2-yl)methyl)-3,12,12a-trihydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221013
CAS :
1075171-51-5
Molecular Formula : C50H42N6O13
Molecular Weight : 934.92


(4R,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Hydrochloride
(4R,4aS,12aS)-4-(Dimethylamino)-3,10,12,12a-tetrahydroxy-7-(methyl(2-(methylamino)ethyl)amino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Hydrochloride
Catalogue No.:PA 40 0221015
CAS :
NA
Molecular Formula : C25H33ClN4O7
Molecular Weight : 537.01


(4S,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-N-((1,3-dioxoisoindolin-2-yl)methyl)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4S,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-N-((1,3-dioxoisoindolin-2-yl)methyl)-3,10,12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221016
CAS :
2250181-30-5
Molecular Formula : C32H32N4O9
Molecular Weight : 616.63


(4R,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
(4R,4aS,5aR,12aS)-4,7-bis(Dimethylamino)-3,10,12,12a-tetrahydroxy-9-nitro-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Catalogue No.:PA 40 0221017
CAS :
NA
Molecular Formula : C23H26N4O9
Molecular Weight : 502.48