4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine CAS 321385-77-7

Purity 97%+In StockPharmaceutical Standards
CAS No.321385-77-7
Molecular FormulaC20H14Cl3N5
Molecular Weight430.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine CAS 321385-77-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 430.72 g/mol gives 4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine (CAS 321385-77-7), molecular formula C20H14Cl3N5 and molecular weight 430.72 g/mol, is a CATO reference standard with documented purity and traceability.

4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-3-yl)-1H-pyrazol-5-amine (C20H14Cl3N5) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 4-(4-Chlorophenyl)-1-(6-(2,4-dichlorobenzyl)pyridazin-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

Molecular FormulaC20H14Cl3N5
Molecular Weight430.72 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms5

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