
CAS 2143535-25-3
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Found 5 products.
(3RS)-1,3-Bis[4-(2-methylpropyl)phenyl]butan-1-one
CAS:Controlled ProductFormula:C24H32OColor and Shape:Colourless To Light YellowMolecular weight:336.51(3RS)-1,3-Bis[4,-2-(methylpropyl)phenyl]butan-1-one
CAS:Controlled ProductFormula:C24H32OColor and Shape:Colourless To Light YellowMolecular weight:336.51Ibuprofen EP impurity H
CAS:<p>Ibuprofen EP impurity H is an impurity of ibuprofen. It is a white crystalline powder with a melting point of 182-184°C and a molecular weight of 253.3. Ibuprofen EP impurity H can be synthesized in high purity by reacting 4-bromobenzenesulfonyl chloride with 2-hydroxybenzoic acid in the presence of triethylamine. This impurity has been used as a standard for drug product analysis, pharmacopoeia standards, drug development, and metabolism studies. Ibuprofen EP impurity H can be identified by HPLC using a retention time of 17.2 minutes and an UV absorption maximum at 254 nm.</p>Formula:C24H32OPurity:Min. 95%Molecular weight:336.51 g/mol




