[3,3'-Bithiophene]-2-carboxylic acid CAS 28686-94-4

Purity 97%+In StockPharmaceutical Standards
CAS No.28686-94-4
Molecular FormulaC9H6O2S2
Molecular Weight210.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[3,3'-Bithiophene]-2-carboxylic acid CAS 28686-94-4 chemical structure

Description

Based on its molecular formula C9H6O2S2, [3,3'-Bithiophene]-2-carboxylic acid 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 210.27 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).

[3,3'-Bithiophene]-2-carboxylic acid (CAS 28686-94-4), molecular formula C9H6O2S2 and molecular weight 210.27 g/mol, is a CATO reference standard with documented purity and traceability.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), [3,3'-Bithiophene]-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 FormulaC9H6O2S2
Molecular Weight210.27 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Sulfur Atoms2

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