Alvimopan Impurity 5 CAS 660848-91-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.660848-91-9
Molecular FormulaC27H36N2O4
Molecular Weight452.59 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Alvimopan Impurity 5 CAS 660848-91-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 452.59 g/mol gives Alvimopan Impurity 5 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Alvimopan Impurity 5 (CAS 660848-91-9), a pharmacopoeial impurity reference standard (molecular formula C27H36N2O4, MW 452.59 g/mol) used for the identification and quantification of trace impurities in APIs.

The molecular framework of Alvimopan Impurity 5 (C27H36N2O4) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Alvimopan Impurity 5 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC27H36N2O4
Molecular Weight452.59 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms2

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