ChemicalBook > CAS DataBase List > OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)

OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)

Product Name
OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)
CAS No.
82419-52-1
Chemical Name
OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)
Synonyms
Ofloxacin-3;Desmethyl Ofloxacin;Ofloxacin EP IMpurity E;Ofloxacin impurity E CRS;Ofloxacin Impurity 5（HCl）;Ofloxacin Related CoMpound A;Ofloxacin USP Related Compound A;Desmethyl Ofloxacin Hydrochloride;Ofloxacin EP Impurity E (USP RC A);(RS)-9-Fluoro-3-methyl-7-oxo-10-(pi
CBNumber
CB7500554
Molecular Formula
C17H18FN3O4
Formula Weight
347.34
MOL File
82419-52-1.mol
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OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) Property

Melting point:
>2500C (dec.)
Boiling point:
600.7±55.0 °C(Predicted)
Density 
1.51±0.1 g/cm3(Predicted)
storage temp. 
-20°C Freezer
solubility 
Aqueous Base (Slightly), DMSO (Slightly, Heated, Sonicated), Methanol (Slightly)
form 
solid
pka
5.19±0.40(Predicted)
color 
Pale Yellow
BRN 
4890029
Major Application
pharmaceutical (small molecule)
InChI
1S/C17H18FN3O4/c1-9-8-25-16-13-10(15(22)11(17(23)24)7-21(9)13)6-12(18)14(16)20-4-2-19-3-5-20/h6-7,9,19H,2-5,8H2,1H3,(H,23,24)
InChIKey
WKRSSAPQZDHYRV-UHFFFAOYSA-N
SMILES
FC1=C(N2CCNCC2)C(OCC3C)=C(N3C=C(C(O)=O)C4=O)C4=C1
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Safety

Hazard Codes 
Xn
Risk Statements 
22
WGK Germany 
WGK 3
HS Code 
2934990002
Storage Class
11 - Combustible Solids
Hazard Classifications
Acute Tox. 4 Oral
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
PHR2235
Product name
Ofloxacin Related Compound A
Purity
Pharmaceutical Secondary Standard; Certified Reference Material
Packaging
50mg
Price
$588.05
Updated
2025/07/31
Sigma-Aldrich
Product number
O0120050
Product name
Ofloxacin impurity E
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
20 mg
Price
$236
Updated
2025/07/31
Sigma-Aldrich
Product number
1478119
Product name
Ofloxacin Related Compound A
Purity
United States Pharmacopeia (USP) Reference Standard
Packaging
25mg
Price
$1300
Updated
2025/07/31
Sigma-Aldrich
Product number
41244
Product name
Ofloxacin impurity E
Purity
analytical standard
Packaging
25mg
Price
$1260
Updated
2021/12/16
Sigma-Aldrich
Product number
O0120050
Product name
Ofloxacin impurity E
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
o0120050
Price
$220
Updated
2024/03/01
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OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) Chemical Properties,Usage,Production

Chemical Properties

Pale Yellow Solid

Uses

A metabolite of Ofloxacin

Uses

Desmethyl Ofloxacin (Ofloxacin EP Impurity E) is a metabolite of Ofoxacin (O245750), a fluorinated quinolone antibacterial.

OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) Preparation Products And Raw materials

Raw materials

Preparation Products

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OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) Suppliers

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View Lastest Price from OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) manufacturers

Dideu Industries Group Limited
Product
OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) 82419-52-1
Price
US $1.10/g
Min. Order
1g
Purity
99.9%
Supply Ability
100 Tons min
Release date
2021-07-20

82419-52-1, OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)Related Search:

5-Difluoromethoxy-2-{[(3,4-dimethoxy-2-pyridinyl)methyl]thio}-1H-benzimidazole Decarboxyl Ofloxacin Ofloxacin Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate Desmethyl Levofloxacin Oxygen-fluorine acid Ofloxacin EP Impurity C Ofloxacin EP Impurity B 9-Piperazino Ofloxacin Ofloxacin hydrochloride Levofloxacin ofloxacin O-glucuronide Levofloxacin N-oxide 2-Desisopropyl-2-phenyl Repaglinide D-OFLOXACIN N,N'-Desethylene-N,N'-diforMyl Levofloxacin Levofloxacin Related CoMpound E Levofloxacin-005-S

  • Ofloxacin-3
  • Ofloxacin EP Impurity E (USP RC A)
  • OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID)
  • 9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
  • Desmethyl Ofloxacin
  • 9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid Hydrochloride
  • Desmethyl Ofloxacin Hydrochloride
  • (RS)-9-fluoro-2,3-dihydro-3-Methyl-7-oxo-10-(piperazin-1-yl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
  • Ofloxacin Related CoMpound A
  • Ofloxacin Related Compound A (25 mg) ((RS)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-10-(piperazin-1-yl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid)
  • Ofloxacin EP IMpurity E
  • 9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
  • (RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl
  • Ofloxacin Impurity 5(Ofloxacin EP Impurity E)
  • Ofloxacin Related Compound A (25 mg) (9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid)
  • 9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
  • (RS)-9-Fluoro-3-methyl-7-oxo-10-(pi
  • Ofloxacin impurity E CRS
  • 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-
  • Ofloxacin Impurity 5（HCl）
  • Ofloxacin Related Compound A (25 mg)
  • OFLOXACIN RELATED COMPOUND A USP/EP/BP
  • OFLOXACIN RELATED COMPOUND A (25 MG) ((RS)-9-FLUORO-2,3-DIHYDRO-3-METHYL-7-OXO-10-(PIPERA-ZIN-1 -YL)-7H-PYRIDO[1,2,3-DE]-1,4-BENZOXAZINE-6-CARBOXYLIC ACID) USP/EP/BP
  • (R)-9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
  • Desmethyl Ofloxacin (Ofloxacin EP Impurity E)
  • Ofloxacin EP Impurity E (Desmethyl Ofloxacin)
  • Ofloxacin Related Compound A (9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2 (1478119)
  • Ofloxacin USP Related Compound A
  • Ofloxacin EP Impurity E (Ofloxacin USP Related Compound A)
  • (RS)-9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-c
  • 9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid - [AC78643]
  • (RS)-9-Fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
  • 82419-52-1
  • C17H19ClFN3O4
  • Intermediates & Fine Chemicals
  • Various Metabolites and Impurities
  • Metabolites & Impurities
  • Pharmaceuticals