Ergosterol, min. 94 %, for biochemistry, Molar mass (M) 396,65 g/mol, Density (D) 1,04 g/cm³, Boiling point (bp) 250 °C, Storage temp. +4 °C, CAS No. [57-87-4], EG-Nr. 200-352-7, Empirical formula C28H44O