Diprotin ADPP4 inhibitor Inhibitor of dipeptidyl aminopeptidase IV.Product SpecificationAlternative Name: H-Ile-Pro-Ile-OH Formula: C17H31N3O4 MW: 341.5 Source: Synthetic. CAS: 90614-48-5 Purity: ≥98% (HPLC) Appearance: White to off-white solid.Solubility: Soluble in water (1mg/ml). Long Term Storage: -20°C