Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-carboxylate CAS 19354-51-9

Purity 97%+In StockPharmaceutical Standards
CAS No.19354-51-9
Molecular FormulaC11H12O3S
Molecular Weight224.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-carboxylate CAS 19354-51-9 chemical structure

Description

The occurrence of Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-carboxylate is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-carboxylate (CAS 19354-51-9), a certified reference material (molecular formula C11H12O3S, MW 224.28 g/mol) for analytical method development and quality control.

Based on its molecular formula C11H12O3S, Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-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 224.28 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), Methyl 3-methoxy-2,3-dihydrobenzo[b]thiophene-3-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 FormulaC11H12O3S
Molecular Weight224.28 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Sulfur Atoms1

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