Tri-p-tolyl Phosphite CAS 620-42-8

Purity >85%In StockPharmaceutical Standards
CAS No.620-42-8
Molecular FormulaC21H21O3P
Molecular Weight352.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tri-p-tolyl Phosphite CAS 620-42-8 chemical structure

Description

CATO supplies Tri-p-tolyl Phosphite (CAS 620-42-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H21O3P. Molecular weight: 352.36 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H21O3P
Molecular Weight352.36 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>85%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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