Bacitracin zinc CAS： 1405-89-6 Description Chinese name: Bacitracin zinc English name: Zinc Bacitracin English alias: Bacitracin zinc salt Molecular weight: 1486.07 Molecular formula: C63H98N14O14SZn Bacitracin zinc premix is light brown or yellowish brown powder; Bacitracin Zinc peptide antibiotics, has a bactericidal effect on Gram-positive bacteria, the main mechanism for the inhibition of bacterial bacterial wall synthesis, but also with the sensitive bacterial cell membrane binding, damage the integrity of the cell membrane, leading to the outflow of important intracellular material. Effective inhibition of Gram-positive bacteria and some Gram-negative bacteria; Bacteria Bacitracin resistant rate is slower, no cross-resistance with other antibiotics. Promote the growth of livestock and poultry and improve feed conversion rate. Bacitracin Zinc Oral almost no absorption, most of the 2 days with the excretion. Bacitracin zinc and penicillin, streptomycin, neomycin, chlortetracycline, colistin and other synergistic antibacterial effect. This product and olaquindox, guitar, virginiamycin, enramycin compatibility incompatibility. For Gram-positive bacteria and penicillin-resistant Staphylococcus infection. Physical and Chemical Properties: Melting point 250 ℃ (DEC.), Water-soluble 5.1g / L (28 ℃) Uses: Used as feed additives, pharmaceutical raw materials.