N,N'-Diphenylbenzidine CAS 531-91-9

Purity >95%In StockPharmaceutical Standards
CAS No.531-91-9
Molecular FormulaC24H20N2
Molecular Weight336.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N,N'-Diphenylbenzidine CAS 531-91-9 chemical structure

Description

N,N'-Diphenylbenzidine (CAS 531-91-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H20N2. Molecular weight: 336.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC24H20N2
Molecular Weight336.43 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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