China USP Ep Bp Metformin HCl CAS No. 1115-70-4, Find details about China 1115-70-4, Metformin HCl from USP Ep Bp Metformin HCl CAS No. 1115-70-4
product Name | Metformin HCL |
Molecular Structure | ![]() |
Items | Standard |
Appearance | White or almost white crystals |
A:IR-spectrum | Complies with reference spectrum <197k> |
B:Identification test | It meets the requirements of the test for chloride<19l> |
Related compounds | <621> |
Cyanoguanidine(imp.A) | ≤0.02% |
Any other impurity | ≤0.05% |
Total impurities | ≤0.2% |
Impurity F | ≤0.05%(EP2.2.29) |
Heavy metals | ≤0.001%<231> |
Loss on drying | ≤0.5%<731> |
Residue on ignition | ≤0.1%<281> |
Residual Solvent | <467> |
Methanol | ≤3000ppm |
Benzene | ≤2ppm |
Toluene | ≤890ppm |
DMF | ≤880ppm |
Assay% on dry basis | 98.5-101.0%<541> |
The commodity meets the standard of USP41. |