5205-39-0 Ethyl 4-(chloroformyl)butyrate Ethyl 5-chloro-5-oxovalerate Ethyl glutaryl chloride Glutaric acid monoethyl ester chloride CAS 5205-39-0

Purity 97%+In StockPharmaceutical Standards
CAS No.5205-39-0
Molecular FormulaC7H11ClO3
Molecular Weight178.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5205-39-0
Ethyl 4-(chloroformyl)butyrate
Ethyl 5-chloro-5-oxovalerate
Ethyl glutaryl chloride
Glutaric acid monoethyl ester chloride CAS 5205-39-0 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.

CATO supplies 5205-39-0 Ethyl 4-(chloroformyl)butyrate Ethyl 5-chloro-5-oxovalerate Ethyl glutaryl chloride Glutaric acid monoethyl ester chloride (CAS 5205-39-0), a certified reference material (molecular formula C7H11ClO3, MW 178.61 g/mol) for analytical method development and quality control.

Based on its molecular formula C7H11ClO3, 5205-39-0 Ethyl 4-(chloroformyl)butyrate Ethyl 5-chloro-5-oxovalerate Ethyl glutaryl chloride Glutaric acid monoethyl ester chloride 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 178.61 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), 5205-39-0 Ethyl 4-(chloroformyl)butyrate Ethyl 5-chloro-5-oxovalerate Ethyl glutaryl chloride Glutaric acid monoethyl ester chloride 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 FormulaC7H11ClO3
Molecular Weight178.61 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.)1958
Halogen ContentCl-containing

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