Dimethyl benzo[b]thiophene-2,5-dicarboxylate CAS 7345-76-8

Purity 97%+In StockPharmaceutical Standards
CAS No.7345-76-8
Molecular FormulaC12H10O4S
Molecular Weight250.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dimethyl benzo[b]thiophene-2,5-dicarboxylate CAS 7345-76-8 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Dimethyl benzo[b]thiophene-2,5-dicarboxylate.

CATO supplies Dimethyl benzo[b]thiophene-2,5-dicarboxylate (CAS 7345-76-8), a certified reference material (molecular formula C12H10O4S, MW 250.27 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H10O4S, Dimethyl benzo[b]thiophene-2,5-dicarboxylate 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 250.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), Dimethyl benzo[b]thiophene-2,5-dicarboxylate 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 FormulaC12H10O4S
Molecular Weight250.27 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.)1959
Sulfur Atoms1

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