Hygromycin B, min. 950 µg/mg, for biochemistry, 250 mg, glassHygromycin B, min. 950 g mg, for biochemistry, Molar mass (M) 527,53 g mol, Storage temp. +4 C, CAS No. 31282 04 9, UN Nr. 3462, EC No. 250 545 5, Empirical formula C20H37N3O13 Inhibits protein biosynthesis in pro and eukaryotes by altering translocation during ribosomal chain elongation, therefore resulting in frame reading errors and abortion of chain elongation. Selection marker for hph transfected cells. Stock solution: 50 400 mg ml in H2O or PBS.