Tadalafil Impurity 37 CAS 171489-59-1

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.171489-59-1
Molecular FormulaC22H19ClN2O5
Molecular Weight426.85 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tadalafil Impurity 37 CAS 171489-59-1 chemical structure

Description

High-purity Tadalafil Impurity 37 (CAS 171489-59-1) pharmacopoeial impurity standards reference standard. Molecular formula: C22H19ClN2O5. Molecular weight: 426.85 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

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.)2005
Halogen ContentCl-containing
Nitrogen Atoms2

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