N-(4-(5-(4-Fluorophenyl)-1-((4-methoxyphenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)ethanesulfonamide CAS 851781-48-1

Purity 97%+In StockPharmaceutical Standards
CAS No.851781-48-1
Molecular FormulaC24H24FN3O5S2
Molecular Weight517.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-(5-(4-Fluorophenyl)-1-((4-methoxyphenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)ethanesulfonamide CAS 851781-48-1 chemical structure

Description

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 supplies N-(4-(5-(4-Fluorophenyl)-1-((4-methoxyphenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)ethanesulfonamide (CAS 851781-48-1), a certified reference material (molecular formula C24H24FN3O5S2, MW 517.59 g/mol) for analytical method development and quality control.

Structurally, N-(4-(5-(4-Fluorophenyl)-1-((4-methoxyphenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)ethanesulfonamide (C24H24FN3O5S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 517.59 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures N-(4-(5-(4-Fluorophenyl)-1-((4-methoxyphenyl)sulfonyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)ethanesulfonamide 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 FormulaC24H24FN3O5S2
Molecular Weight517.59 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF-containing
Nitrogen Atoms3
Sulfur Atoms2

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