2-(4-Bromo-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 321574-04-3

Purity 97%+In StockPharmaceutical Standards
CAS No.321574-04-3
Molecular FormulaC13H18BBrO2
Molecular Weight297.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Bromo-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 321574-04-3 chemical structure

Description

Structurally, 2-(4-Bromo-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C13H18BBrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 297.00 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

2-(4-Bromo-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 321574-04-3) is a high-purity analytical reference standard with the molecular formula C13H18BBrO2 and a molecular weight of 297.00 g/mol.

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.

As a certified reference material (CRM), 2-(4-Bromo-2-methylphenyl)-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.

Physical & Chemical Properties

Molecular FormulaC13H18BBrO2
Molecular Weight297.00 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
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.)2025
Halogen ContentBr-containing

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