Certificate - ISO 22000:2005,HACCP,GMP,NO-GMO,Kosher and Halal. CAS Registry Number/CAS No.3458-28-4 HS Code:2940009000 EINECS No.222-392-4 Molecular FormulaC6H12O6 Molecular weight:180.16 D-mannose is a monosaccharose,the formula C6H12O6,white crystal or crystalline powder,sweet with bitter,easily soluble in water,slightly soluble in ethanol. D-mannose form easily crystalline compounds with calcium chloride,and display a complex variable optical effect. D-mannose can turn sour by yeast.