3-Chloro-2,6-difluorocinnamic acid CAS 942319-19-9

Description

The occurrence of 3-Chloro-2,6-difluorocinnamic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-Chloro-2,6-difluorocinnamic acid (CAS 942319-19-9), molecular formula C9H5ClF2O2 and molecular weight 218.58 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H5ClF2O2, 3-Chloro-2,6-difluorocinnamic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 218.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 3-Chloro-2,6-difluorocinnamic 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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