4-Chloroformylbutyric acid methyl ester CAS 1501-26-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1501-26-4
Molecular FormulaC6H9ClO3
Molecular Weight164.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloroformylbutyric acid methyl ester CAS 1501-26-4 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.

4-Chloroformylbutyric acid methyl ester (CAS 1501-26-4) is a high-purity analytical reference standard with the molecular formula C6H9ClO3 and a molecular weight of 164.59 g/mol.

Based on its molecular formula C6H9ClO3, 4-Chloroformylbutyric acid methyl ester 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 164.59 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.

CATO manufactures 4-Chloroformylbutyric acid methyl ester 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 FormulaC6H9ClO3
Molecular Weight164.59 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957
Halogen ContentCl-containing

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