2-Methyl-2H-benzo[e][1,2]thiazin-3(4H)-one 1,1-dioxide CAS 29209-01-6

Purity 97%+In StockPharmaceutical Standards
CAS No.29209-01-6
Molecular FormulaC9H9NO3S
Molecular Weight211.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-2H-benzo[e][1,2]thiazin-3(4H)-one 1,1-dioxide CAS 29209-01-6 chemical structure

Description

2-Methyl-2H-benzo[e][1,2]thiazin-3(4H)-one 1,1-dioxide (C9H9NO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

CATO supplies 2-Methyl-2H-benzo[e][1,2]thiazin-3(4H)-one 1,1-dioxide (CAS 29209-01-6), a certified reference material (molecular formula C9H9NO3S, MW 211.24 g/mol) for analytical method development and quality control.

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.

CATO manufactures 2-Methyl-2H-benzo[e][1,2]thiazin-3(4H)-one 1,1-dioxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC9H9NO3S
Molecular Weight211.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms1
Sulfur Atoms1

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