Aprepitant Injectable Emulsion ;

Aprepitant, also known as Aprepitant and Acetaminophen, is a grayish white to pale yellow crystalline solid chemical. Its chemical name is 5-[2(R)-[1(R)-[3,5-di(trifluoromethyl)phenyl]ethoxy]-3(S)-(4-fluorophenyl)morpholin-4-ylmethyl]-3,4-dihydro-2H-1,2,4-triazol-3-one, with a molecular formula of C23H21F7N4O3, a molecular weight of 534.42700, insoluble in water, slightly soluble in acetonitrile, soluble in ethanol, and a melting point of 75~76°C. Aprepitant is mainly used clinically to prevent acute and delayed nausea and vomiting during the initial and repeated treatment of highly emetogenic anti-tumor chemotherapy.