6-Methoxy-2H-benzo[b][1,4]thiazin-3(4H)-one CAS 99286-44-9

Purity 97%+In StockPharmaceutical Standards
CAS No.99286-44-9
Molecular FormulaC9H9NO2S
Molecular Weight195.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-Methoxy-2H-benzo[b][1,4]thiazin-3(4H)-one CAS 99286-44-9 chemical structure

Description

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

6-Methoxy-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 99286-44-9) is a high-purity analytical reference standard with the molecular formula C9H9NO2S and a molecular weight of 195.24 g/mol.

6-Methoxy-2H-benzo[b][1,4]thiazin-3(4H)-one (C9H9NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 manufactures 6-Methoxy-2H-benzo[b][1,4]thiazin-3(4H)-one 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 FormulaC9H9NO2S
Molecular Weight195.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms1
Sulfur Atoms1

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