| ITEMS | SPECIFICATION |
| Descripition | white or light-yellow crystalline powder |
| Identification | By UV |
| By HPLC | |
| Related Substances | Total:NMT0.5% |
| Individual:NMT0.1% | |
| Assay(on dried basis) | NLT98.5% |
| Chlorides | NMT0.04% |
| Residual Solvent | Methanol NMT0.3% |
| Ethanol NMT0.5% | |
| Formic acid NMT0.5% | |
| DMF NMT0.088% | |
| Residues On Ignition | NMT0.1% |
| Loss On Drying | NMT1.0% |
| Heavy Metals | NMT20ppm |