(5-methoxybenzothiophen-2-yl)boronic acid CAS 193965-30-9

Purity 97%+In StockPharmaceutical Standards
CAS No.193965-30-9
Molecular FormulaC9H17BO3S
Molecular Weight216.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(5-methoxybenzothiophen-2-yl)boronic acid CAS 193965-30-9 chemical structure

Description

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.

(5-methoxybenzothiophen-2-yl)boronic acid (CAS 193965-30-9), molecular formula C9H17BO3S and molecular weight 216.11 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (5-methoxybenzothiophen-2-yl)boronic acid (C9H17BO3S) contains a sulfone group, 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 216.11 g/mol, it falls into the medium-molecular-weight range.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H17BO3S
Molecular Weight216.11 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.5
CAS Registry Year (est.)2012
Sulfur Atoms1

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