2-(3-Bromo-5-(methylthio)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1256359-20-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1256359-20-2
Molecular FormulaC13H18BBrO2S
Molecular Weight329.06 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(3-Bromo-5-(methylthio)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1256359-20-2 chemical structure

Description

As a certified reference material (CRM), 2-(3-Bromo-5-(methylthio)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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.

2-(3-Bromo-5-(methylthio)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1256359-20-2), molecular formula C13H18BBrO2S and molecular weight 329.06 g/mol, is a CATO reference standard with documented purity and traceability.

2-(3-Bromo-5-(methylthio)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C13H18BBrO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

Physical & Chemical Properties

Molecular FormulaC13H18BBrO2S
Molecular Weight329.06 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentBr-containing
Sulfur Atoms1

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