4-boronothiophene-2-carboxylic acid CAS 913835-91-3

Purity 97%+In StockPharmaceutical Standards
CAS No.913835-91-3
Molecular FormulaC5H9BO4S
Molecular Weight176.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-boronothiophene-2-carboxylic acid CAS 913835-91-3 chemical structure

Description

CATO supplies 4-boronothiophene-2-carboxylic acid (CAS 913835-91-3), a certified reference material (molecular formula C5H9BO4S, MW 176.00 g/mol) for analytical method development and quality control.

Structurally, 4-boronothiophene-2-carboxylic acid (C5H9BO4S) contains a carbohydrate-derived structure, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 176.00 g/mol, it falls into the medium-molecular-weight range.

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), 4-boronothiophene-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 FormulaC5H9BO4S
Molecular Weight176.00 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.5
CAS Registry Year (est.)1987
Sulfur Atoms1

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