3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole CAS 956755-21-8

Purity 97%+In StockPharmaceutical Standards
CAS No.956755-21-8
Molecular FormulaC23H18ClFN2O
Molecular Weight392.85 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole CAS 956755-21-8 chemical structure

Description

The occurrence of 3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole (CAS 956755-21-8) is a high-purity analytical reference standard with the molecular formula C23H18ClFN2O and a molecular weight of 392.85 g/mol.

Based on its molecular formula C23H18ClFN2O, 3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 392.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 3-(2-((4-Chlorobenzyl)oxy)phenyl)-1-(4-fluorobenzyl)-1H-pyrazole 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 FormulaC23H18ClFN2O
Molecular Weight392.85 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, 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.)1987
Halogen ContentF/Cl-containing
Nitrogen Atoms2

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