托拉霉素
Tulathromycin
Chemical Name | Cygro; Maduramicin; Maduramicin ammonium; Prinicin ammonium;(2R,3S,4S,5R,6S)-6-[(1R)-1-[(2S,5R,7S,8R,9S)-2-[(2S,2'R,3'S,5R,5'R)-3'-[(2,6-Dideoxy-3,4-di-O-methyl-b-L-arabino-hexopyranosyl)oxy]octahydro-2-methyl-5'-[(2S,3S,5R,6S)-tetrahydro-6-hydroxy-3,5,6-trimethyl-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-9-hydroxy-2,8-dimethyl-1,6-dioxaspiro[4.5]dec-7-yl]ethyl]tetrahydro-2-hydroxy-4,5-dimethoxy-3-methyl-2H-pyran-2-acetic acid monoammonium salt |
CAS Number | 217500-96-4 |
Molecular Formula | C41H79N3O12 |
Molecular Weight | 806.08 |
Molecular Structure | |
Packing | 25kg/Drum |
Capacity | 8000kg/ Year |
Storage | Sealed tightly and stored away from light in a cool and dry place |
Application | Tulathromycin A ,Triamilide antibiotic for treatment of bovine and porcine respiratory disease. Exists as an equilibrium mixture of two isomeric forms, Tulathromycin A (90%) and B (10%). Antibacterial. |
SPECIFICATION
Items | Specification |
Appearance | White or almost white power |
Identification | Meet the requirements |
Solubility | Not soluble in water, soluble in ethanol |
Optical Rotation | Between-22°and -26°at 589nm and 25℃,from the 40mg/ml concentration of acetonitrile solution |
Residual Solvents | ≤ 0.06% of methylene chloride(CH2Cl2) |
Moisture | ≤0.50% |
Heavy Metals | ≤20ppm |
Residue on Ignition | ≤2.0% |
Assay(HPLC) | 95.0% ~ 103.0% |