| Model: | - |
|---|---|
| Brand: | 5’-UMPNa2 ( Uridine 5＇-dihydrogen phosphate, disod |
| Origin: | Made In China |
| Category: | Chemicals / Organic Chemical Materials / Pharmaceutical Chemicals |
| Label: | bio-chemical , intermediate , reagent |
| Price: |
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| Min. Order: | - |
| Live Chat: | Last Online:02 Apr, 2007 |
Usage：used as the intermediary in nucleic acid medicine, health food and bio-chemical reagent, also in processing UTP, FURTULON, POLYA:U and so on.
Executing standard：Q/SSF003-2004
Physical and chemical properties：
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Items |
Index |
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Grades |
Excellent |
First-class |
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Appearance |
White，crystal powder, no smell, easily soluble in water, in soluble in the organic solvent as alcohol. |
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Content (dry product) %≥ |
98.0 |
93.0 |
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Weight losing on drying%≤ |
25 |
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The ratio of absorption at ultraviolet |
A250nm/A260nm |
0.71-0.77 |
0.70-0.78 |
|
A280nm/A260nm |
0.36-0.40 |
0.34-0.42 |
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Heavy metals (Pb)%≤ |
0.001 |
0.002 |
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As% |
0.0001 |
0.0002 |
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Transparency of light(430nm)%≥ |
95 |
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Other kinds of nucleotide |
Qualified |
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