Ethynylboronic acid CAS 4453-96-7

Purity 97%+In StockPharmaceutical Standards
CAS No.4453-96-7
Molecular FormulaC2H3BO2
Molecular Weight69.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethynylboronic acid CAS 4453-96-7 chemical structure

Description

Structurally, Ethynylboronic acid (C2H3BO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. 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 69.86 g/mol, it falls into the low-molecular-weight range.

Ethynylboronic acid (CAS 4453-96-7), molecular formula C2H3BO2 and molecular weight 69.86 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), Ethynylboronic 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 FormulaC2H3BO2
Molecular Weight69.86 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)1.5
CAS Registry Year (est.)1958

Recommended Standards

Why CATO?