2-Chloro-2-fluoroacetamide CAS 431-09-4

Purity 97%+In StockPharmaceutical Standards
CAS No.431-09-4
Molecular FormulaC2H3ClFNO
Molecular Weight111.50 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-2-fluoroacetamide CAS 431-09-4 chemical structure

Description

As a certified reference material (CRM), 2-Chloro-2-fluoroacetamide 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.

2-Chloro-2-fluoroacetamide (CAS 431-09-4) is a high-purity analytical reference standard with the molecular formula C2H3ClFNO and a molecular weight of 111.50 g/mol.

Owing to an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-Chloro-2-fluoroacetamide is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 111.50 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

Physical & Chemical Properties

Molecular FormulaC2H3ClFNO
Molecular Weight111.50 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957
Halogen ContentF/Cl-containing
Nitrogen Atoms1

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