Terazosin EP Impurity I CAS 1177261-85-6

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1177261-85-6
Molecular FormulaC20H27N5O4
Molecular Weight401.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Terazosin EP Impurity I CAS 1177261-85-6 chemical structure

Description

Terazosin EP Impurity I (CAS 1177261-85-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H27N5O4. Molecular weight: 401.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H27N5O4
Molecular Weight401.46 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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms5

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