marbofloxacin and its Impurities
Marbofloxacin is used in veterinary medicine under the trade names Marbocyl, Forcyl and Zeniquin. It is a carboxylic acid. It is a synthetic, broad spectrum bactericidal agent. Reference standards of Marbofloxacin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                   
																				6,8-Difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid-d8 Sulfate
6,8-Difluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid-d8 Sulfate
- Catalogue No.:PA STI 032010 
- CAS : - NA
- Molecular Formula : C16H12D8F2N4O7S 
- Molecular Weight : 458.46 
 
	
			                                   
																				6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid-d8 Ethyl Ester
6,8-Difluoro-1,4-dihydro-1-(N-methylformamido)-7-(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid-d8 Ethyl Ester
- Catalogue No.:PA STI 032020 
- CAS : - 2733390-44-6
- Molecular Formula : C19H14D8F2N4O4 
- Molecular Weight : 416.45 
 
	
			                                   
																				(3S)-3-Methyl-9,10-bis(4-methylpiperazin-1-yl)-7-oxo-2,3,6,7-tetrahydro-5H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
(3S)-3-Methyl-9,10-bis(4-methylpiperazin-1-yl)-7-oxo-2,3,6,7-tetrahydro-5H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic Acid
- Catalogue No.:PA 40 0051000 
- CAS : - 2699956-26-6
- Molecular Formula : C23H33N5O4 
- Molecular Weight : 443.55 
 
	
			                                   
																				2,3,4,5-Tetrafluoro-a-[(2-formyl-2-methylhydrazinyl)methylene]-B-oxobenzenepropanoic Acid Ethyl Ester
2,3,4,5-Tetrafluoro-a-[(2-formyl-2-methylhydrazinyl)methylene]-B-oxobenzenepropanoic Acid Ethyl Ester
- Catalogue No.:PA 40 0051001 
- CAS : - 100276-64-0
- Molecular Formula : C14H12F4N2O4 
- Molecular Weight : 348.25 
 
	
			                                   
																				10-(4-(6-Carboxy-10-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinolin-9-yl)piperazin-1-yl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinoline-6-carboxylic Acid
10-(4-(6-Carboxy-10-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinolin-9-yl)piperazin-1-yl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinoline-6-carboxylic Acid
- Catalogue No.:PA 40 0051002 
- CAS : - NA
- Molecular Formula : C28H24F2N6O8 
- Molecular Weight : 610.53 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
