6,7-Difluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 70032-28-9

Purity 97%+In StockPharmaceutical Standards
CAS No.70032-28-9
Molecular FormulaC11H7F2NO3
Molecular Weight239.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6,7-Difluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS 70032-28-9 chemical structure

Description

6,7-Difluoro-1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 70032-28-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7F2NO3. Molecular weight: 239.17 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC11H7F2NO3
Molecular Weight239.17 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1977
Halogen ContentF-containing
Nitrogen Atoms1

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