N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide CAS 143207-32-3

Purity 97%+In StockPharmaceutical Standards
CAS No.143207-32-3
Molecular FormulaC12H14N2O3
Molecular Weight234.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide CAS 143207-32-3 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide.

CATO supplies N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide (CAS 143207-32-3), a certified reference material (molecular formula C12H14N2O3, MW 234.25 g/mol) for analytical method development and quality control.

Structurally, N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide (C12H14N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 234.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), N-Butyl-2-oxobenzo[d]oxazole-3(2H)-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC12H14N2O3
Molecular Weight234.25 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 DMSO, DMF, methanol
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.)1997
Nitrogen Atoms2

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