2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl methanesulfonate CAS 1245824-39-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1245824-39-8
Molecular FormulaC13H19BO5S
Molecular Weight298.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl methanesulfonate CAS 1245824-39-8 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.

2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl methanesulfonate (CAS 1245824-39-8), molecular formula C13H19BO5S and molecular weight 298.16 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl methanesulfonate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 298.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl methanesulfonate 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 FormulaC13H19BO5S
Molecular Weight298.16 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Sulfur Atoms1

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