N,N-Diphenyl-2-(phenylamino)benzenesulfonamide CAS 56751-89-4

Purity 97%+In StockPharmaceutical Standards
CAS No.56751-89-4
Molecular FormulaC24H20N2O2S
Molecular Weight400.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N,N-Diphenyl-2-(phenylamino)benzenesulfonamide CAS 56751-89-4 chemical structure

Description

N,N-Diphenyl-2-(phenylamino)benzenesulfonamide (CAS 56751-89-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H20N2O2S. Molecular weight: 400.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H20N2O2S
Molecular Weight400.49 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
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973
Nitrogen Atoms2
Sulfur Atoms1

Recommended Standards

Why CATO?