Prasugrel Impurity 18 CAS CATO-C4X-108618

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-108618
Molecular FormulaC18H18FNO2S
Molecular Weight331.40 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Prasugrel Impurity 18 CAS CATO-C4X-108618 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 331.40 g/mol gives Prasugrel Impurity 18 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

As a process- or degradation-related impurity, Prasugrel Impurity 18 (CAS CATO-C4X-108618, C18H18FNO2S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.

Based on its molecular formula C18H18FNO2S, Prasugrel Impurity 18 contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 FormulaC18H18FNO2S
Molecular Weight331.40 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Halogen ContentF-containing
Nitrogen Atoms1
Sulfur Atoms1

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