Urapidil Impurity 11 CAS 91453-03-1

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.91453-03-1
Molecular FormulaC19H27N5O3
Molecular Weight373.45 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Urapidil Impurity 11 CAS 91453-03-1 chemical structure

Description

CATO supplies Urapidil Impurity 11 (CAS 91453-03-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H27N5O3. Molecular weight: 373.45 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC19H27N5O3
Molecular Weight373.45 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>90%
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Nitrogen Atoms5

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