4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-4,5-dihydro-1H-pyrazol-5-one CAS 338422-93-8

Description

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.

4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-4,5-dihydro-1H-pyrazol-5-one (CAS 338422-93-8), molecular formula C9H5ClF3N3OS and molecular weight 295.67 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H5ClF3N3OS, 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-4,5-dihydro-1H-pyrazol-5-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 295.67 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).

As a certified reference material (CRM), 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-4,5-dihydro-1H-pyrazol-5-one 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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