Hygromycin B, Streptomyces sp. Form Dark brown liquid Primary Target growth of prokaryotic (bacteria) and eukaryotic microorganisms (yeasts) and mammalian cells Secondary target protein synthesis at the translocation step on the 70S ribosome and causes misreading of the mRNA Molar mass 527.5 Biological activity The activity of Hygromycin B is measured in a zonal inhibition assay using Bacillus subtilis. The activity is measured relative to a reference standard. Purity >85% by HPLC Chemical formula C20H37N3O13 RTECS WK2130000 CAS number 31282-04-9 Merck USA index 14, 4852 商店和运输信息 Hazardous Materials Attention: Due to the nature of the Hazardous Materials in this shipment, additional shipping chargesmay be applied to your order. Certain sizes may be exempt from the additional hazardous materials shipping charges. Please contact your local sales office for more information regarding these charges. Storage +2°C to +8°C Ship Ambient Temperature Only Highly Toxic & Carcinogenic / Teratogenic