Mannitol: CAS No: 87-78-5 Appearance: white crystalline powder Quality standard: USP, BP, EP Assay: 98%-102% D(-)Mannitol is a sugar alcohol that can be used as an inert osmotic control substance. The uptake and phosphorylation of d-mannitol is catalyzed by the mannitol-specific phosphoenolpyruvate-dependent phosphotransferase systems (PTS). Mannitol can interact with neutrophils and monocytes. ...