N-(4-chlorophenyl)-2-(4-oxo-4H-benzo[e][1,3]thiazin-2-yl)acetamide CAS 338975-31-8

Purity 97%+In StockPharmaceutical Standards
CAS No.338975-31-8
Molecular FormulaC16H11ClN2O2S
Molecular Weight330.79 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-chlorophenyl)-2-(4-oxo-4H-benzo[e][1,3]thiazin-2-yl)acetamide CAS 338975-31-8 chemical structure

Description

Based on its molecular formula C16H11ClN2O2S, N-(4-chlorophenyl)-2-(4-oxo-4H-benzo[e][1,3]thiazin-2-yl)acetamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 330.79 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

N-(4-chlorophenyl)-2-(4-oxo-4H-benzo[e][1,3]thiazin-2-yl)acetamide (CAS 338975-31-8), molecular formula C16H11ClN2O2S and molecular weight 330.79 g/mol, is a CATO reference standard with documented purity and traceability.

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-(4-chlorophenyl)-2-(4-oxo-4H-benzo[e][1,3]thiazin-2-yl)acetamide 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 FormulaC16H11ClN2O2S
Molecular Weight330.79 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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