3-[(4-Methylphenyl)methyl]-3,4-dihydro-2H-1,3-benzothiazine-2,4-dione CAS 338401-63-1

Purity 97%+In StockPharmaceutical Standards
CAS No.338401-63-1
Molecular FormulaC16H13NO2S
Molecular Weight283.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-[(4-Methylphenyl)methyl]-3,4-dihydro-2H-1,3-benzothiazine-2,4-dione CAS 338401-63-1 chemical structure

Description

Based on its molecular formula C16H13NO2S, 3-[(4-Methylphenyl)methyl]-3,4-dihydro-2H-1,3-benzothiazine-2,4-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 283.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

3-[(4-Methylphenyl)methyl]-3,4-dihydro-2H-1,3-benzothiazine-2,4-dione (CAS 338401-63-1), molecular formula C16H13NO2S and molecular weight 283.34 g/mol, is a CATO reference standard with documented purity and traceability.

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 FormulaC16H13NO2S
Molecular Weight283.34 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1
Sulfur Atoms1

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