2,2-Dichloro-3-oxobutanoic acid CAS 856324-67-9

Description

Compared with other compounds in its class, the molecular weight of 170.98 g/mol gives 2,2-Dichloro-3-oxobutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,2-Dichloro-3-oxobutanoic acid (CAS 856324-67-9), molecular formula C4H4Cl2O3 and molecular weight 170.98 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C4H4Cl2O3, 2,2-Dichloro-3-oxobutanoic acid 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 170.98 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.

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), 2,2-Dichloro-3-oxobutanoic acid 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

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