4-Oxo-4-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)butanoic acid CAS 26518-86-5

Purity 97%+In StockPharmaceutical Standards
CAS No.26518-86-5
Molecular FormulaC12H11NO5
Molecular Weight249.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Oxo-4-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)butanoic acid CAS 26518-86-5 chemical structure

Description

4-Oxo-4-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)butanoic acid (CAS 26518-86-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H11NO5. Molecular weight: 249.22 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC12H11NO5
Molecular Weight249.22 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1964
Nitrogen Atoms1

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