CAS No: 125-65-5
Melecular Formula: C22 H34O5
Molecular Weight: 378.5024
Certificate of analysis
Tiamulin Hydrogen Fumarate
White or almost white crystal powder.
White crystal powder
1.HPLC:The retention time obtained from the test solution corresponds to that obtained from the standard solution
2.Infra-red spectrum:Infra-red spectrum of the sample corresponds to that of the reference standart.
Color and clarity of solution
The solution should be clear and colorless and the absorbance at 400nm and 650nnt is not greater than 0.150 and 0.030
Clear and colorless
Compared to optical rotation
Loss on drying
Not more than 0.5%
Leaves behind the residual to be supposed not to have 0.1%
Not more than 0.001%
Content of sovlvent residue is not more than 0.5%
Not more than 1.0% of any identified impurity is found Not more than 0.5% of any unidentified impurity is found and not more than 2.0% of total impurities is found.
Content of fumarate
Accrding to the anhydrous substance computation.
Conclusion: This conforms to the USP36.