N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide CAS 303987-78-2

Purity 97%+In StockPharmaceutical Standards
CAS No.303987-78-2
Molecular FormulaC14H11ClN2O4S2
Molecular Weight370.83 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide CAS 303987-78-2 chemical structure

Description

The occurrence of N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide (CAS 303987-78-2), a certified reference material (molecular formula C14H11ClN2O4S2, MW 370.83 g/mol) for analytical method development and quality control.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 370.83 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures N-(4-Chlorophenyl)-4-hydroxy-1-methyl-2,2-dioxo-1,2-dihydro-2lambda~6~-thieno[3,2-c][1,2]thiazine-3-carboxamide 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 FormulaC14H11ClN2O4S2
Molecular Weight370.83 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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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