Chemical name：4-[4-[4-[4-[[(3R,5R)-5-(2,4-Difluorophenyl)-5-(1,2,4-triazol-1-ylmethyl)oxolan-3-yl]methoxy]phenyl]piperazin-1-yl]phenyl]-2-[(2S,3S)-2-hydroxypentan-3-yl]-1,2,4-triazol-3-one CAS Number：171228-49-2 Appearance：White powder Purity：≥99% Melting point：169-173℃ Optical rotation: -27.5～-30.5° Usage：Posaconazole is a derivative of itraconazole, which appeared as the second generation triazole antifungal drug on the market in 2007. 1.Preventative treatment of invasive Aspergillus and Candida infections in people (13 years of age or older)who have a severely suppressed immune system;invasive infections are caused by organisms that enter the bloodstream and travel throughout the body. 2.treatment of oropharyngeal candidiasis("oral thrush"). 3.treatment of oropharyngeal candidiasis not responding to traditional itraconazole and/or fluconazole therapy.