Tert-butyl2,4-dibromobutyrate CAS 77629-96-0

Purity 97%+In StockPharmaceutical Standards
CAS No.77629-96-0
Molecular FormulaC8H14Br2O2
Molecular Weight302.00 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tert-butyl2,4-dibromobutyrate CAS 77629-96-0 chemical structure

Description

Tert-butyl2,4-dibromobutyrate (CAS 77629-96-0) is a high-purity analytical reference standard with the molecular formula C8H14Br2O2 and a molecular weight of 302.00 g/mol.

The molecular framework of Tert-butyl2,4-dibromobutyrate (C8H14Br2O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 FormulaC8H14Br2O2
Molecular Weight302.00 g/mol
Purity97%+
StorageStore at room temperature
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityContains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1979
Halogen ContentBr-containing

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