moxifloxacin hydrochloride and its Impurities
A hydrochloride salt of fluoroquinolone type antibacterial agent Moxifloxacin. It is used in the treatment of respiratory tract infections, cellulitis, anthrax, endocarditis, meningitis, and tuberculosis. It is a fourth generation broad-spectrum antibiotic. Reference standards of Moxifloxacin Hydrochloride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Moxifloxacin Hydrochloride Monohydrate - Impurity H
Methyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylate
Catalogue No.:PA 13 0550080
CAS :
721970-35-0
Molecular Formula : C22H26FN3O4
Molecular Weight : 415.46


Moxifloxacin Hydrochloride Monohydrate - Impurity A (Freebase)
1-Cyclopropyl-6,8-difluoro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4- dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55010
CAS :
151213-15-9
Molecular Formula : C20H21F2N3O3
Molecular Weight : 389.40


Moxifloxacin Hydrochloride Monohydrate - Impurity C (Freebase)
1-Cyclopropyl-8-ethoxy-6-fluoro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55030
CAS :
1029364-75-7
Molecular Formula : C22H26FN3O4
Molecular Weight : 415.46


Moxifloxacin Hydrochloride Monohydrate - Impurity D (Freebase)
1-Cyclopropyl-8-fluoro-6-methoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55040
CAS :
1029364-77-9
Molecular Formula : C21H24FN3O4
Molecular Weight : 401.43


Moxifloxacin Hydrochloride Monohydrate - Impurity E
1-Cyclopropyl-6-fluoro-8-hydroxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55050
CAS :
721970-36-1
Molecular Formula : C20H22FN3O4
Molecular Weight : 387.40


Moxifloxacin Hydrochloride Monohydrate - Impurity B (Freebase)
1-Cyclopropyl-6,8-dimethoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55020
CAS :
1029364-73-5
Molecular Formula : C22H27N3O5
Molecular Weight : 413.47


Moxifloxacin Hydrochloride Monohydrate - Impurity B (Hydrochloride Monohydrate)
1-Cyclopropyl-6,8-dimethoxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride Monohydrate
Catalogue No.:PA 13 55021
CAS :
NA
Molecular Formula : C22H30ClN3O6
Molecular Weight : 467.94


Moxifloxacin Hydrochloride Monohydrate - Impurity C (Hydrochloride Hydrate)
1-Cyclopropyl-8-ethoxy-6-fluoro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride Hydrate
Catalogue No.:PA 13 55031
CAS :
NA
Molecular Formula : C22H29ClFN3O5
Molecular Weight : 469.93


Moxifloxacin Hydrochloride Monohydrate - Impurity F
1-Cyclopropyl-6-fluoro-8-methoxy-7-[(4aS,7aS)-1-methyloctahydro-6H-pyrrolo[3,4-b]pyridin-6- yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55060
CAS :
721970-37-2
Molecular Formula : C22H26FN3O4
Molecular Weight : 415.46


Moxifloxacin Hydrochloride Monohydrate - Impurity G
1-Cyclopropyl-6-fluoro-8-methoxy-7-[(4aR,7aR)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 55660
CAS :
268545-13-7
Molecular Formula : C21H24FN3O4
Molecular Weight : 401.44


Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-p (1448617)
Moxifloxacin Related Compound A (1-cyclopropyl-6,8-difluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-p (1448617)
Catalogue No.:PA USP1448617
CAS :
151213-15-9
Molecular Formula : NA
Molecular Weight : NA


Moxifloxacin Related Compound B (1-Cyclopropyl-6,8-dimethoxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H- (1448628)
Moxifloxacin Related Compound B (1-Cyclopropyl-6,8-dimethoxy-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H- (1448628)
Catalogue No.:PA USP1448628
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Moxifloxacin Related Compound C (1-Cyclopropyl-8-ethoxy-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro (1448639)
Moxifloxacin Related Compound C (1-Cyclopropyl-8-ethoxy-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro (1448639)
Catalogue No.:PA USP1448639
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Moxifloxacin Related Compound D (1-Cyclopropyl-8-fluoro-6-methoxy-1,4-dihydro-7-[(4aS,7aS)-octahydr (1448640)
Moxifloxacin Related Compound D (1-Cyclopropyl-8-fluoro-6-methoxy-1,4-dihydro-7-[(4aS,7aS)-octahydr (1448640)
Catalogue No.:PA USP1448640
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Moxifloxacin Related Compound E (1-Cyclopropyl-6-fluoro-8-hydroxy-1,4-dihydro-7-[(4aS,7aS)-octahydr (1448655)
Moxifloxacin Related Compound E (1-Cyclopropyl-6-fluoro-8-hydroxy-1,4-dihydro-7-[(4aS,7aS)-octahydr (1448655)
Catalogue No.:PA USP1448655
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Moxifloxacin Related Compound G (1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-[(4aR,7aR)-octahydr (1448672)
Moxifloxacin Related Compound G (1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-[(4aR,7aR)-octahydr (1448672)
Catalogue No.:PA USP1448672
CAS :
1394029-14-1
Molecular Formula : NA
Molecular Weight : NA


1-Cyclopropyl-6-fluoro-8-methoxy-4-oxo-7-((4aS,7aS)-2-oxooctahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-1,4-dihydroquinoline-3-carboxylic Acid
1-Cyclopropyl-6-fluoro-8-methoxy-4-oxo-7-((4aS,7aS)-2-oxooctahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 0551000
CAS :
1395056-41-3
Molecular Formula : C21H22FN3O5
Molecular Weight : 415.42


1-Cyclopropyl-6-fluoro-2-hydroxy-8-methoxy-4-oxo-7-((4aS,7aS)-2-oxooctahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-1,4-dihydroquinoline-3-carboxylic Acid
1-Cyclopropyl-6-fluoro-2-hydroxy-8-methoxy-4-oxo-7-((4aS,7aS)-2-oxooctahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-1,4-dihydroquinoline-3-carboxylic Acid
Catalogue No.:PA 13 0551001
CAS :
NA
Molecular Formula : C21H22FN3O6
Molecular Weight : 431.42


Moxifloxacin Hydrochloride Monohydrate - Impurity E (Hydrobromide Salt)
1-Cyclopropyl-6-fluoro-8-hydroxy-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Hydrobromide
Catalogue No.:PA 13 0550051
CAS :
1292904-74-5
Molecular Formula : C20H23BrFN3O4
Molecular Weight : 468.32


1-Cyclopropyl-8-ethoxy-6-fluoro-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
1-Cyclopropyl-8-ethoxy-6-fluoro-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
Catalogue No.:PA 13 0551002
CAS :
2252446-70-9
Molecular Formula : C22H27ClFN3O4
Molecular Weight : 451.92


1-Cyclopropyl-6,8-difluoro-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
Moxifloxacin Difluoro Analog Hydrochloride
Catalogue No.:PA 13 0551003
CAS :
151282-23-4
Molecular Formula : C20H22ClF2N3O3
Molecular Weight : 425.86


Moxifloxacin Hydrochloride Monohydrate - Impurity D (Hydrochloride Salt)
1-Cyclopropyl-8-fluoro-6-methoxy-7-((4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Hydrochloride
Catalogue No.:PA 13 0550041
CAS :
2252446-69-6
Molecular Formula : C21H25ClFN3O4
Molecular Weight : 437.9


Moxifloxacin Hydrochloride Monohydrate - Impurity A (Hydrochloride Salt)
1-Cyclopropyl-6,8-difluoro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4- dihydroquinoline-3-carboxylic Acid Hydrochloride
Catalogue No.:PA 13 0550011
CAS :
151282-23-4
Molecular Formula : C20H22ClF2N3O3
Molecular Weight : 425.86


Moxifloxacin Hydrochloride Monohydrate - Impurity C (Hydrochloride Salt)
1-Cyclopropyl-8-ethoxy-6-fluoro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride
Catalogue No.:PA 13 0550031
CAS :
2252446-70-9
Molecular Formula : C22H27ClFN3O4
Molecular Weight : 451.92