pretomanid and its Impurities
Pretomanid used for the treatment of multi-drug-resistant tuberculosis affecting the lungs. Pretomanid is an antibioticReference standards of Pretomanid API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(6s, 6's)-6,6'-(4-(Trifluoromethoxy)-1,3-phenylene)bis(methylene)bis(oxy)bis(2-nitro-6,7-dihydro-5h-imidazo[2,1-b][1,3]oxazine)
(6s, 6's)-6,6'-(4-(Trifluoromethoxy)-1,3-phenylene)bis(methylene)bis(oxy)bis(2-nitro-6,7-dihydro-5h-imidazo[2,1-b][1,3]oxazine)
Catalogue No.:PA 43 0731000
CAS :
NA
Molecular Formula : C21H19F3N6O9
Molecular Weight : 556.41

![(6S)-6-[3-Methyl-4-(trifluoromethoxy)benzyl]oxy-2- PA 43 0731002](https://www.pharmaffiliates.com/pimages/PA430731002.jpg)
(6S)-6-[3-Methyl-4-(trifluoromethoxy)benzyl]oxy-2-nitro-6,7-dihydro-5H-imidazol[2,1-b][1,3]oxazine
(6S)-6-[3-Methyl-4-(trifluoromethoxy)benzyl]oxy-2-nitro-6,7-dihydro-5H-imidazol[2,1-b][1,3]oxazine
Catalogue No.:PA 43 0731002
CAS :
2151045-16-6
Molecular Formula : C15H14F3N3O5
Molecular Weight : 373.29


(S)-3-(2-Methoxy-4-nitro-1H-imidazol-1-yl)-2-((4-(trifluoromethoxy)benzyl)oxy)propan-1-ol
(S)-3-(2-Methoxy-4-nitro-1H-imidazol-1-yl)-2-((4-(trifluoromethoxy)benzyl)oxy)propan-1-ol
Catalogue No.:PA 43 0731004
CAS :
2512206-85-6
Molecular Formula : C15H16F3N3O6
Molecular Weight : 391.3


(S)-3-(2-Bromo-4-nitro-1h-imidazol-1-yl)-2-(4-(trifluoromethoxy) benzyloxy) propyl Pivalate
(S)-3-(2-Bromo-4-nitro-1h-imidazol-1-yl)-2-(4-(trifluoromethoxy) benzyloxy) propyl Pivalate
Catalogue No.:PA 43 0731007
CAS :
2756820-12-7
Molecular Formula : C19H21BrF3N3O6
Molecular Weight : 524.29


(S)-2-Nitro-6-((3-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(S)-2-Nitro-6-((3-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
Catalogue No.:PA 43 0731008
CAS :
1353753-57-7
Molecular Formula : C14H12F3N3O5
Molecular Weight : 359.26


(S)-2-Nitro-6-((2-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(S)-2-Nitro-6-((2-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
Catalogue No.:PA 43 0731009
CAS :
1353753-55-5
Molecular Formula : C14H12F3N3O5
Molecular Weight : 359.26


(R)-2-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(R)-2-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
Catalogue No.:PA 43 0731012
CAS :
1105708-11-9
Molecular Formula : C14H12F3N3O5
Molecular Weight : 359.26


(S)-3-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(S)-3-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
Catalogue No.:PA 43 0731013
CAS :
1131004-99-3
Molecular Formula : C14H12F3N3O5
Molecular Weight : 359.26