Methyl 4-acetyl-3,4-dihydro-2h-benzo[b][1,4]oxazine-2-carboxylate CAS 3640-49-1

Purity 97%+In StockPharmaceutical Standards
CAS No.3640-49-1
Molecular FormulaC12H13NO4
Molecular Weight235.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 4-acetyl-3,4-dihydro-2h-benzo[b][1,4]oxazine-2-carboxylate CAS 3640-49-1 chemical structure

Description

Methyl 4-acetyl-3,4-dihydro-2h-benzo[b][1,4]oxazine-2-carboxylate (CAS 3640-49-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H13NO4. Molecular weight: 235.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H13NO4
Molecular Weight235.24 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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