Butane-1,4-diyl bis(2-bromoacetate) CAS 67638-54-4

Purity 97%+In StockPharmaceutical Standards
CAS No.67638-54-4
Molecular FormulaC8H12Br2O4
Molecular Weight331.99 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Butane-1,4-diyl bis(2-bromoacetate) CAS 67638-54-4 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.

Butane-1,4-diyl bis(2-bromoacetate) (CAS 67638-54-4), molecular formula C8H12Br2O4 and molecular weight 331.99 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H12Br2O4, Butane-1,4-diyl bis(2-bromoacetate) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 331.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

As a certified reference material (CRM), Butane-1,4-diyl bis(2-bromoacetate) 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 FormulaC8H12Br2O4
Molecular Weight331.99 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1976
Halogen ContentBr-containing

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Why CATO?