Sildenafil Impurity 256 CAS 1027192-9-2

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1027192-9-2
Molecular FormulaC22H28N6O3
Molecular Weight424.50 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Sildenafil Impurity 256 CAS 1027192-9-2 chemical structure

Description

CATO supplies Sildenafil Impurity 256 (CAS 1027192-9-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H28N6O3. Molecular weight: 424.50 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC22H28N6O3
Molecular Weight424.50 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms6

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