1,4-Bis(bis(3,5-dimethylphenyl)phosphino)butane CAS 220185-37-5

Purity 97%+In StockPharmaceutical Standards
CAS No.220185-37-5
Molecular FormulaC36H44P2
Molecular Weight538.68 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4-Bis(bis(3,5-dimethylphenyl)phosphino)butane CAS 220185-37-5 chemical structure

Description

1,4-Bis(bis(3,5-dimethylphenyl)phosphino)butane (CAS 220185-37-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C36H44P2. Molecular weight: 538.68 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC36H44P2
Molecular Weight538.68 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2019

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