2-(2,3,5,6-Tetramethylbenzylidene)-1H-indene-1,3(2H)-dione CAS 54689-99-5

Purity 97%+In StockPharmaceutical Standards
CAS No.54689-99-5
Molecular FormulaC21H24O4
Molecular Weight340.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(2,3,5,6-Tetramethylbenzylidene)-1H-indene-1,3(2H)-dione CAS 54689-99-5 chemical structure

Description

2-(2,3,5,6-Tetramethylbenzylidene)-1H-indene-1,3(2H)-dione (CAS 54689-99-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H24O4. Molecular weight: 340.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC21H24O4
Molecular Weight340.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972

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