5-Methylthiophene-3-boronic acid CAS 930303-82-5

Purity 97%+In StockPharmaceutical Standards
CAS No.930303-82-5
Molecular FormulaC5H7BO2S
Molecular Weight141.98 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methylthiophene-3-boronic acid CAS 930303-82-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 141.98 g/mol gives 5-Methylthiophene-3-boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-Methylthiophene-3-boronic acid (CAS 930303-82-5), molecular formula C5H7BO2S and molecular weight 141.98 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H7BO2S, 5-Methylthiophene-3-boronic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 141.98 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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), 5-Methylthiophene-3-boronic 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 FormulaC5H7BO2S
Molecular Weight141.98 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.5
CAS Registry Year (est.)1987
Sulfur Atoms1

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Why CATO?