4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine CAS 1202029-56-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1202029-56-8
Molecular FormulaC16H14ClN3O
Molecular Weight299.75 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine CAS 1202029-56-8 chemical structure

Description

The occurrence of 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 1202029-56-8) is a high-purity analytical reference standard with the molecular formula C16H14ClN3O and a molecular weight of 299.75 g/mol.

The molecular framework of 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine (C16H14ClN3O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-amine 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

Molecular FormulaC16H14ClN3O
Molecular Weight299.75 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms3

Related Chlorophenyl Standards

Recommended Standards

Why CATO?