1,1-Dioxido-3,6-dihydro-2H-thiopyran-4-boronic Acid Pinacol Ester CAS 1370535-33-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1370535-33-3
Molecular FormulaC11H19BO4S
Molecular Weight258.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1-Dioxido-3,6-dihydro-2H-thiopyran-4-boronic Acid Pinacol Ester CAS 1370535-33-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 258.14 g/mol gives 1,1-Dioxido-3,6-dihydro-2H-thiopyran-4-boronic Acid Pinacol Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1,1-Dioxido-3,6-dihydro-2H-thiopyran-4-boronic Acid Pinacol Ester (CAS 1370535-33-3) is a high-purity analytical reference standard with the molecular formula C11H19BO4S and a molecular weight of 258.14 g/mol.

Based on its molecular formula C11H19BO4S, 1,1-Dioxido-3,6-dihydro-2H-thiopyran-4-boronic Acid Pinacol Ester 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 258.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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.

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 FormulaC11H19BO4S
Molecular Weight258.14 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)2.5
CAS Registry Year (est.)1991
Sulfur Atoms1

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