9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid

去甲氧氟沙星

Also known as: Desmethyl ofloxacin, N-Demethylofloxacin, Ofloxacin EP Impurity E, Ofloxacin related compound A (USP), Ofloxacin impurity E, UNII-5S4363I4ED, 9-Fluoro-2,3-dihydro-3-methyl-7-oxo-10-(1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (CAS 82419-52-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H18FN3O4 and a molecular weight of 347.34100 g/mol. It is also known as Desmethyl ofloxacin, N-Demethylofloxacin and Ofloxacin EP Impurity E. Key property: a melting point of >250ºC (dec.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82419-52-1
Jingsj CID
J-1844631-7
Molecular Formula
C17H18FN3O4
Chinese Name
去甲氧氟沙星
Molecular Weight
347.34100 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point>250ºC (dec.)

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid?

The CAS number of 9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid is 82419-52-1.

What are the molecular formula and molecular weight of 9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid?

9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid has molecular formula C17H18FN3O4 and molecular weight 347.34100 g/mol.

Is 9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid hazardous?

9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (CAS 82419-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1844631-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.