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1 Kilogram |
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19817-92-6 Uridine-5'-triphosphoric acid trisodium salt Trissodium Salt
Tests |
Results |
Specifications |
|
Description |
White or almost white powder |
almost white powder |
|
Identification |
Have the largest absorption at =262±2nm A250/A260=0.70~0.80 A280/A260=0.33~0.43 |
262.0 nm A250/A260=0.76 A280/A260=0.40 |
|
The of solution is sodium flame recation |
Complies |
||
Clarity and Color of Solution |
Clarify,coloriess |
Complies |
|
pH |
3.0~7.0 |
5.46 |
|
Loss on drying |
≤15.0% |
6.21% |
|
Protein |
Complies |
Complies |
|
Heavy metals |
≤20ppm |
Complies |
|
Choloride |
≤0.2% |
Complies |
|
Bacterial Endotoxins |
≤1.25EU/mg |
<1.25EU/mg |
|
Purity (HPLC) |
≥90% |
98.19% |
|
Assay(on drysis) |
≥80% |
94.27% |
|
|
Keep in a cool(-20℃) and dry place , and away from light |
||
Conclusion : The product contorms to internally controlled standard |
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