尿苷
EC NO: 200-407-5
分子式: C9H12N2O6
分子量: 244.20
質量標準:
檢驗項目 | 標準規定 |
性狀 | 應為白色或類白色結晶性粉末 |
鑒別 | 樣品主峰保留時間應與對照品主峰保留時間一致 |
熔點 | 163.0-167.0℃ |
干燥失重 | ≤0.5% |
熾灼殘渣 | ≤0.1% |
重金屬 | ≤10PPm |
有關物質 | *大單一雜質:≤0.2% |
總雜質:≤1.0% | |
純度: ≥99.0% | |
含量 | 紫外: 98.0-102.0% |
Uridine
EC NO: 200-407-5
Molecular Formula: C9H12N2O6
Molecular Weight: 244.20
Standard:
Item | Specification |
Description | White or almost white crystalline powder |
Identification | The main peak retention time of the sample should be consistent with that of the reference substance. |
Melting point | 163.0-167.0℃ |
Loss on drying | ≤0.5% |
Residue on ignition | ≤0.1% |
Heavy metals | ≤10PPm |
Related substances by HPLC | Maximum content of single impurity:≤0.2% |
Total impurity:≤1.0% | |
Purity: ≥99.0% | |
Assay | UV: 98.0-102.0% |