| | Identification | Back Directory |  | [Name] 
 Ciprofloxacin EP IMpurity D
 |  | [CAS] 
 133210-96-5
 |  | [Synonyms] 
 Fluoroquinolonic acid D
 Ciprofloxacin EP IMpurity D
 7-Chloro-1-cyclopropyl-4-oxo-6-(pip
 Ciprofloxacin EP IMpurity D USP/EP/BP
 Ciprofloxacin Impurity 4(Ciprofloxacin EP Impurity D)
 Ciprofloxacin Impurity-D (EP) (7-Chloro-6-piperazin-1-yl)
 Ciprofloxacin Hydrochloride Impurity Ⅳ:Ciprofloxacin EP Impurity D
 7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid
 3-Quinolinecarboxylic acid, 7-chloro-1-cyclopropyl-1,4-dihydro-4-oxo-6-(1-piperazinyl)-
 7-chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
 7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid
DISCONTINUED. Please see C366030
 Ciprofloxacin ImpuritⅣ:(CiprofloxacinImpurity D)7-chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
 Ciprofloxacin impurity 3/Ciprofloxacin EP Impurity D/Ciprofloxacin USP Related Compound A/7-chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
 |  | [Molecular Formula] 
 C17H18ClN3O3
 |  | [MDL Number] 
 MFCD21363470
 |  | [MOL File] 
 133210-96-5.mol
 |  | [Molecular Weight] 
 347.8
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 >209°C (dec.)
 |  | [Boiling point ] 
 612.0±55.0 °C(Predicted)
 |  | [density ] 
 1.483±0.06 g/cm3(Predicted)
 |  | [storage temp. ] 
 Hygroscopic, Refrigerator, under inert atmosphere
 |  | [solubility ] 
 DMSO (Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly)
 |  | [form ] 
 Solid
 |  | [pka] 
 6.41±0.41(Predicted)
 |  | [color ] 
 Off-White to Pale Yellow
 |  | [Stability:] 
 Hygroscopic
 |  | [InChI] 
 InChI=1S/C17H18ClN3O3/c18-13-8-14-11(7-15(13)20-5-3-19-4-6-20)16(22)12(17(23)24)9-21(14)10-1-2-10/h7-10,19H,1-6H2,(H,23,24)
 |  | [InChIKey] 
 CMKOKYODRILRKU-UHFFFAOYSA-N
 |  | [SMILES] 
 N1(C2CC2)C2=C(C=C(N3CCNCC3)C(Cl)=C2)C(=O)C(C(O)=O)=C1
 | 
 | Hazard Information | Back Directory |  | [Uses] 
 7-Chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid Hydrochloride is an impurity in the synthesis of Ciprofloxacin (C482500), a fluorinated quinolone antibacterial.
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