1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid

Also known as: 1-Cyclopropyl-6,7-difluoro-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, 1-Cyclopropyl-6,7-difluoro-8-methoxy-4-oxo-3-quinolinecarboxylic acid, Gati Acid, Moxifloxacin Impurity J, 1-Cyclopropyl-6,7-difluoro-8-methoxy-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid, 3-Quinolinecarboxylic acid, 1-cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-, MFCD05864420, Moxifloxacin-9, Gatifloxacin USP RC C

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid (CAS 112811-72-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H11F2NO4 and a molecular weight of 295.238 g/mol. Key properties include a melting point of 192-194ºC, a boiling point of 474.4±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 240.7±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 112811-72-0
Jingsj CID: J-1099322-3
Molecular Formula: C₁₄H₁₁F₂NO₄
Molecular Weight: 295.238 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	192-194ºC
Boiling Point	474.4±45.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	240.7±28.7 °C
Exact Mass	295.065613
PSA	68.53000
LogP	1.33
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.630
Storage Conditions	Refrigerator

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid?

The CAS number of 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid is 112811-72-0.

What are the molecular formula and molecular weight of 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid?

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid has molecular formula C14H11F2NO4 and molecular weight 295.238 g/mol.

What are the upstream and downstream products of 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid?

For 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid, Upstream Products: 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester, 1-Cyclopropyl-6,7-difluoro-8-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Dimethyl sulfate; Downstream Products: 1-Cyclopropyl-6,7-difluoro-8-hydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid, Gatifloxacin hydrochloride, Moxifloxacin.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid (CAS 112811-72-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1099322-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.