Name:Tylosin tartrate
CAS:74610-55-2
MF:C49H81NO23
The detailed specifications are as below:
| Itemoftesting | Specification | Result |
| Appearance | Whitetopaleyellowpowder | paleyellowpowder |
| Solubility | FreelysolubleinChloroform;SolubleinwaterorMethanol;InsolubleinEther. | Conforms |
| Identification | positive | positive |
| Chromatogram | Conforms | |
| PH | 5.0~7.2 | 6.3 |
| Lossondrying | ≦4.5% | 2.2% |
| Residueonignition | ≦2.5% | 0.2% |
| Heavymetals | ≦20ppm | <20ppm |
| Tyramine | ≦0.35% | 0.03% |
| Tylosincompositions | TylosinA≧80% A+B+C+D≧95% | 91% 97% |
| Assay | ≧800u/mg | 900u/mg(wet) 920u/mg(dry) |