[2,2'-Bithiophene]-3,3'-dicarboxylic acid CAS 19690-71-2

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including [2,2'-Bithiophene]-3,3'-dicarboxylic acid.

[2,2'-Bithiophene]-3,3'-dicarboxylic acid (CAS 19690-71-2) is a high-purity analytical reference standard with the molecular formula C10H6O4S2 and a molecular weight of 254.28 g/mol.

Structurally, [2,2'-Bithiophene]-3,3'-dicarboxylic acid (C10H6O4S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 254.28 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), [2,2'-Bithiophene]-3,3'-dicarboxylic 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

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