1-(2,4-Dichlorophenyl)-4-(thiophen-3-yl)-1H-pyrazol-5-amine CAS 321385-65-3

Description

Compared with other compounds in its class, the molecular weight of 310.20 g/mol gives 1-(2,4-Dichlorophenyl)-4-(thiophen-3-yl)-1H-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(2,4-Dichlorophenyl)-4-(thiophen-3-yl)-1H-pyrazol-5-amine (CAS 321385-65-3), molecular formula C13H9Cl2N3S and molecular weight 310.20 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution, 1-(2,4-Dichlorophenyl)-4-(thiophen-3-yl)-1H-pyrazol-5-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 310.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

CATO manufactures 1-(2,4-Dichlorophenyl)-4-(thiophen-3-yl)-1H-pyrazol-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

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