1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate CAS 343373-83-1

Purity 97%+In StockPharmaceutical Standards
CAS No.343373-83-1
Molecular FormulaC12H10O4S3
Molecular Weight314.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate CAS 343373-83-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 314.40 g/mol gives 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate (CAS 343373-83-1) is a high-purity analytical reference standard with the molecular formula C12H10O4S3 and a molecular weight of 314.40 g/mol.

Based on its molecular formula C12H10O4S3, 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 314.40 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.

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), 1,1-Dioxido-2,3-dihydro-4H-thieno[2,3-b]thiopyran-4-yl thiophene-2-carboxylate 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 FormulaC12H10O4S3
Molecular Weight314.40 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; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Sulfur Atoms3

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