N-Benzyl-N,3-dimethyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide CAS 781656-66-4

Purity 97%+In StockPharmaceutical Standards
CAS No.781656-66-4
Molecular FormulaC16H16N2O4S
Molecular Weight332.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Benzyl-N,3-dimethyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide CAS 781656-66-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 332.37 g/mol gives N-Benzyl-N,3-dimethyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-Benzyl-N,3-dimethyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide (CAS 781656-66-4), molecular formula C16H16N2O4S and molecular weight 332.37 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N-Benzyl-N,3-dimethyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide (C16H16N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 332.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC16H16N2O4S
Molecular Weight332.37 g/mol
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Nitrogen Atoms2
Sulfur Atoms1

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