Iopamidol EP Impurity J CAS 77868-44-1

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.77868-44-1
Molecular FormulaC16H20I3N3O7
Molecular Weight747.06 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Iopamidol EP Impurity J CAS 77868-44-1 chemical structure

Description

The occurrence of Iopamidol EP Impurity J is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Iopamidol EP Impurity J (CAS 77868-44-1) is a certified pharmaceutical impurity reference standard with the molecular formula C16H20I3N3O7 and a molecular weight of 747.06 g/mol.

Based on its molecular formula C16H20I3N3O7, Iopamidol EP Impurity J contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 747.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

CATO manufactures Iopamidol EP Impurity J 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 FormulaC16H20I3N3O7
Molecular Weight747.06 g/mol
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1979
Halogen ContentI-containing
Nitrogen Atoms3

Related Iopamidol Standards

Recommended Standards

Why CATO?