Hygromycin B solution, 50 mg/ml, BioScience-Grade, sterile, ready-to-use, Molar mass (M) 527,53 g/mol, Density (D) 1 g/cm³, Boiling point (bp) 100 °C, Storage temp. +4 °C, CAS No. [31282-04-9], UN-Nr. 3172, EG-Nr. 250-545-5, Empirical formula C20H37N3O13