Peficitinib Impurity 16-d3 CAS CATO-C4X-280716

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-280716
Molecular Formula-
Molecular Weight198.62 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Peficitinib Impurity 16-d3 CAS CATO-C4X-280716 chemical structure

Description

Peficitinib Impurity 16-d3 (CAS CATO-C4X-280716) is a certified pharmaceutical impurity reference standard with the molecular formula C8H3D3ClN3O and a molecular weight of 198.62 g/mol.

Based on its molecular formula C8H3D3ClN3O, Peficitinib Impurity 16-d3 contains deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC8H3D3ClN3O
Molecular Weight198.62 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Halogen ContentCl-containing
Nitrogen Atoms3

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