2-(5-chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 159087-42-0

Purity 97%+In StockPharmaceutical Standards
CAS No.159087-42-0
Molecular FormulaC11H18BClO2
Molecular Weight228.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(5-chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 159087-42-0 chemical structure

Description

Based on its molecular formula C11H18BClO2, 2-(5-chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 228.52 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.

2-(5-chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 159087-42-0) is a high-purity analytical reference standard with the molecular formula C11H18BClO2 and a molecular weight of 228.52 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.

CATO manufactures 2-(5-chloropent-1-ynyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC11H18BClO2
Molecular Weight228.52 g/mol
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.5
CAS Registry Year (est.)2002
Halogen ContentCl-containing

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