Molecular weight 536.89 g/mol Cas number 502-65-8 Molecular formula C40H56 Purity (hplc) nlt 97.0% Test method: HPLC HACCP, ISO, GMP, KOSHER Free sample Packaging: bottle, drum, plastic container Place of origin:Wuhan China (Mainland) Grade:Food grade, medicine grade, cosmetic grade, feed grade Grade:Food grade, medicine grade, cosmetic grade, feed grade.