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Tylosin tartrate
Name:Tylosin tartrate
CAS:74610-55-2
MF:C49H81NO23
The detailed specifications are as below
:

Item of testing  Specification Result 
Appearance White to pale yellow powder pale yellow powder
Solubility Freely soluble in Chloroform;Soluble in water or Methanol;Insoluble in Ether. Conforms
Identification positive positive
  Chromatogram Conforms
PH 5.0~7.2 6.3
Loss on drying ≦4.5% 2.2%
Residue on ignition ≦2.5% 0.2%
Heavy metals ≦20ppm <20ppm
Tyramine ≦0.35% 0.03%
Tylosin compositions Tylosin A≧ 80%
A+B+C+D≧95%
91%
97%
Assay ≧800u/mg 900u/mg(wet)
920u/mg(dry)