4-Chlorobut-2-enoyl chloride CAS 24806-06-2

Purity 97%+In StockPharmaceutical Standards
CAS No.24806-06-2
Molecular FormulaC4H4Cl2O
Molecular Weight138.98 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chlorobut-2-enoyl chloride CAS 24806-06-2 chemical structure

Description

Structurally, 4-Chlorobut-2-enoyl chloride (C4H4Cl2O) contains a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 138.98 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

4-Chlorobut-2-enoyl chloride (CAS 24806-06-2) is a high-purity analytical reference standard with the molecular formula C4H4Cl2O and a molecular weight of 138.98 g/mol.

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.

As a certified reference material (CRM), 4-Chlorobut-2-enoyl 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 FormulaC4H4Cl2O
Molecular Weight138.98 g/mol
Purity97%+
StorageStore at 2-8°C, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1964
Halogen ContentCl-containing

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