3-Methyl-4-(p-tolylamino)-2H-naphtho[1,2,3-de]quinoline-2,7(3H)-dione CAS 40278-81-7

Purity 97%+In StockPharmaceutical Standards
CAS No.40278-81-7
Molecular FormulaC24H18N2O2
Molecular Weight366.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-4-(p-tolylamino)-2H-naphtho[1,2,3-de]quinoline-2,7(3H)-dione CAS 40278-81-7 chemical structure

Description

3-Methyl-4-(p-tolylamino)-2H-naphtho[1,2,3-de]quinoline-2,7(3H)-dione (CAS 40278-81-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H18N2O2. Molecular weight: 366.41 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC24H18N2O2
Molecular Weight366.41 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms2

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