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Aprepitant EP Impurity A 

SZ CAT No SZ-A030007
CAS No 170729-76-7
Mol.F. C23H22F6N4O3 
Mol.Wt. 516.4
Inv. Status In Stock


Chemical Name: 5-[[(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-phenylmorpholin-4-yl]methyl]-1,2-dihydro-3H-1,2,4-triazol-3-one (as per EP) ; (5-{[(2R,3S)-2-{(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy}-3-phenylmorpholino]methyl}-2H-1,2,4-triazol-3(4H)-one) (as per USP)

Synonym: Desfluoro Aprepitant

Application of analytical quality by design principles for the determination of alkyl p-toluenesulfonates impurities in Aprepitant by HPLC. Validation using total-error concept
Constantinos K. Zacharis, Elli Vastardi
Journal of Pharmaceutical and Biomedical Analysis Volume 150, 20 February 2018, Pages 152-161
 
Characterization and Quantitation of Aprepitant Drug Substance Polymorphs by Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy
Roy Helmy,* George X. Zhou, Yadan W. Chen, Louis Crocker, Tao Wang, Robert M. Wenslow, Jr., and Anant Vailaya*
Anal. Chem. 2003, 75, 605-611
 
Development and Optimization of Liquid Chromatography Analytical Methods by Using AQbD Principles: Overview and Recent Advances
Tim Tome,†,Nina Ž igart, Zdenko Č asar,, and AlešObreza
Org. Process Res. Dev. 2019, 23, 1784−1802