2,2-Dichloro-1-methylcyclopropanecarboxylic acid CAS 1447-14-9

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,2-Dichloro-1-methylcyclopropanecarboxylic acid.

2,2-Dichloro-1-methylcyclopropanecarboxylic acid (CAS 1447-14-9), molecular formula C5H6Cl2O2 and molecular weight 169.01 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H6Cl2O2, 2,2-Dichloro-1-methylcyclopropanecarboxylic 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 169.01 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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