2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide CAS 1203236-24-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1203236-24-1
Molecular FormulaC20H18ClN3O
Molecular Weight351.83 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide CAS 1203236-24-1 chemical structure

Description

As a certified reference material (CRM), 2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide 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.

2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide (CAS 1203236-24-1) is a high-purity analytical reference standard with the molecular formula C20H18ClN3O and a molecular weight of 351.83 g/mol.

Based on its molecular formula C20H18ClN3O, 2-(4-Chlorophenyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)acetamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.83 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

Physical & Chemical Properties

Molecular FormulaC20H18ClN3O
Molecular Weight351.83 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms3

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