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| Product Name | Uric acid, ≥99%, crystalline |
| Product Number | U2625 |
| Product Brand | Sigma |
| CAS Number | 69-93-2 |
| Molecular Formula | C5H4N4O3 |
| Molecular Weight | 168.11 |
| TEST | SPECIFICATION |
| APPEARANCE | OFF-WHITE POWDER |
| SOLUBILITY | CLEAR TO SLIGHTLY HAZY FAINT YELLOW SOLUTION AT 50MG/ML IN 1MSODIUM HYDROXIDE |
| ULTRAVIOLET/VISIBLE SPECTRAL ANALYSIS | EMM = MINIMUM 12.5 AT LAMBDA MAX 292NM AT PH9.6 |
| PURITY BY HPLC | NLT 99% |
| RECOMMENDED RETEST | 6 YEARS |
| DOCUMENT # U2625/4/14/97/4 | |
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