4-Chloro-N-(1-{4-methyl-5-[(2-methylprop-2-en-1-yl)sulfanyl]-4H-1,2,4-triazol-3-yl}-2-phenylethyl)benzene-1-sulfonamide CAS 338794-34-6

Purity 97%+In StockPharmaceutical Standards
CAS No.338794-34-6
Molecular FormulaC21H23ClN4O2S2
Molecular Weight463.02 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-N-(1-{4-methyl-5-[(2-methylprop-2-en-1-yl)sulfanyl]-4H-1,2,4-triazol-3-yl}-2-phenylethyl)benzene-1-sulfonamide CAS 338794-34-6 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.

4-Chloro-N-(1-{4-methyl-5-[(2-methylprop-2-en-1-yl)sulfanyl]-4H-1,2,4-triazol-3-yl}-2-phenylethyl)benzene-1-sulfonamide (CAS 338794-34-6) is a high-purity analytical reference standard with the molecular formula C21H23ClN4O2S2 and a molecular weight of 463.02 g/mol.

Structurally, 4-Chloro-N-(1-{4-methyl-5-[(2-methylprop-2-en-1-yl)sulfanyl]-4H-1,2,4-triazol-3-yl}-2-phenylethyl)benzene-1-sulfonamide (C21H23ClN4O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 463.02 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 4-Chloro-N-(1-{4-methyl-5-[(2-methylprop-2-en-1-yl)sulfanyl]-4H-1,2,4-triazol-3-yl}-2-phenylethyl)benzene-1-sulfonamide 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 FormulaC21H23ClN4O2S2
Molecular Weight463.02 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms2

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