7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-methylbenzoate CAS 343373-79-5

Purity 97%+In StockPharmaceutical Standards
CAS No.343373-79-5
Molecular FormulaC15H14O4S2
Molecular Weight322.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-methylbenzoate CAS 343373-79-5 chemical structure

Description

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 supplies 7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-methylbenzoate (CAS 343373-79-5), a certified reference material (molecular formula C15H14O4S2, MW 322.40 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H14O4S2, 7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-methylbenzoate contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 322.40 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.

CATO manufactures 7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 4-methylbenzoate 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 FormulaC15H14O4S2
Molecular Weight322.40 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Sulfur Atoms2

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