5,6-dihydroxy-1-benzothiophene-2-carboxylic acid CAS 97852-77-2

Purity 97%+In StockPharmaceutical Standards
CAS No.97852-77-2
Molecular FormulaC9H6O4S
Molecular Weight210.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-dihydroxy-1-benzothiophene-2-carboxylic acid CAS 97852-77-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 210.21 g/mol gives 5,6-dihydroxy-1-benzothiophene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5,6-dihydroxy-1-benzothiophene-2-carboxylic acid (CAS 97852-77-2), molecular formula C9H6O4S and molecular weight 210.21 g/mol, is a CATO reference standard with documented purity and traceability.

5,6-dihydroxy-1-benzothiophene-2-carboxylic acid (C9H6O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 5,6-dihydroxy-1-benzothiophene-2-carboxylic acid 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 FormulaC9H6O4S
Molecular Weight210.21 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1984
Sulfur Atoms1

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