85-2653-24　Tulathromycin A 500mg　257399

特徴

• 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.
• Synonyms:(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[[2,6-Dideoxy-3-C-methyl-3-O-methyl-4-C-[(propylamino)methyl]-a-L-ribo-hexopyranosyl]oxy]-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-b-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one; CP 472295; Draxxin
• Molecular Formula:C41H79N3O12
• Molecular Weight:806.08
• Appearance:White solid
• Purity:≥95%
• Melting Point:186-188ºC
• Method for Determining Identity:Proton NMR (CD3OD) Spectroscopic and Mass Spectrometric Analysis
• TLC Conditions:SiO2; Dichloromethane: Methanol: Ammonium Hydroxide= 9:1:0.1; Visualized with KMnO4 and AMCS; Single spot, Rf=0.50
• Solubility:Methanol (Slightly)
• Specific Rotation:-35.5º (c=0.5, Methanol)
• Atmosphere:inert gas
• Storage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at -20°C for 6 months after receipt. Store under inert atmosphere. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Store under inert atmosphere.