3-(3,5-Di-tert-butyl-4-hydroxybenzylidenyl)indolin-2-one CAS 40526-64-5

Purity 97%+In StockPharmaceutical Standards
CAS No.40526-64-5
Molecular FormulaC23H27NO2
Molecular Weight349.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(3,5-Di-tert-butyl-4-hydroxybenzylidenyl)indolin-2-one CAS 40526-64-5 chemical structure

Description

CATO supplies 3-(3,5-Di-tert-butyl-4-hydroxybenzylidenyl)indolin-2-one (CAS 40526-64-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H27NO2. Molecular weight: 349.47 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC23H27NO2
Molecular Weight349.47 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms1

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