Tadalafil EP Impurity B CAS 629652-72-8

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.629652-72-8
Molecular FormulaC22H19N3O4
Molecular Weight389.40 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tadalafil EP Impurity B CAS 629652-72-8 chemical structure

Description

Tadalafil EP Impurity B (CAS 629652-72-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C22H19N3O4. Molecular weight: 389.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC22H19N3O4
Molecular Weight389.40 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms3

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