Tadalafil Impurity 16 CAS 629652-44-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.629652-44-4
Molecular FormulaC22H19ClN2O5
Molecular Weight426.85 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tadalafil Impurity 16 CAS 629652-44-4 chemical structure

Description

Tadalafil Impurity 16 (CAS 629652-44-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C22H19ClN2O5. Molecular weight: 426.85 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC22H19ClN2O5
Molecular Weight426.85 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Halogen ContentCl-containing
Nitrogen Atoms2

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