China Synthetic Anti-Infective Drugs Lamivudine CAS 134678-17-4, Find details about China Lamivudine, Powder from Synthetic Anti-Infective Drugs Lamivudine CAS 134678-17-4
Specification
Item | Requirements |
Description | White to off- white crystalline powder |
Light Absorption | Not more than 0.015(440nm,4cm cell, 50mg/ml) |
Water | ≤0.20% |
Light absorption(50mg/ml,440nm,4cm) | ≤0.0015 |
Limit of Lamivudine enantiomer | ≤0.30% |
Salicylic acid | ≤0.10% |
Total impurities | ≤0.60% |
Other individual impurity | ≤0.10% |
Relative retention time at about 0.4 impurity | ≤0.30% |
Relative retention time at about 0.90 impurity | ≤0.20% |
Total residual solvents | ≤0.3% |
Ethanol | ≤0.20% |
n-Hexane | ≤0.029% |
Methylene dichloride | ≤0.06% |
TEA | ≤0.10% |
DMF | ≤0.088% |
Ethyl acetate | ≤0.20% |
Toluene | ≤0.089% |
Assay(On the anhydrous and solvent-free basis) | 98.0%~102.0% |
Conclusion | Meets the Requirements |