| Items | Requirements | Results |
| Description | A white or almost white crystalline powder, odorless | Complies |
| Identification |
1) Chemical reaction
2) The retention time complies to the standard 3) infrared absorption spectrum complies to the standard 4) show sodium flame |
Positive reaction
Complies Complies Complies |
| pH | 6.0 - 7.5 | 6.6 |
| Clarity, color | Clear, colorless | Complies |
| Related substances | 5'-CMP ≤ 0.30% | 0.01% |
| Single impurity ≤ 0.20% | 0.02% | |
| Total Impurity ≤ 0.70% | 0.05% | |
| Residual solvents | Limit of methanol ≤ 0.30% | Undetected |
| Limit of ethanol ≤ 0.50% | 0.015% | |
| Limit of acetone ≤ 0.50% | Undetected | |
| Limit of chloride | ≤ 0.05% | Complies |
| Limit of ammonium salt | ≤ 0.05% | Complies |
| Limit of iron salt | ≤ 0.01% | Complies |
| Limit of phosphate | ≤ 0.1% | Complies |
| Limit of arsenic salt | ≤ 0.0001% | Complies |
| Loss on drying | ≤ 6.0% | 1.0% |
| Heavy Metals | ≤ 5ppm | Complies |
| Endotoxin | ≤ 0.30 EU/mg | Complies |
| Limit of microbe | Total bacterial count W 800 CFU/g Yeast & MoldW80 CFU/g E. Coli: Negative | lOCFU/g <10CFU/g Undetected |
| Assay(HPLC) | N98.00% | =99.7% |