Uridina 99%
Fornitore: Thermo Fisher Scientific
Synonyms:
1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione, 1-β-D-Ribofuranosyluracil, Uracil-1-β-D-ribofuranoside
Formula:
C₉H₁₂N₂O₆ Peso molecolare: 244.20 g/mol Punto di fusione: 162…170 °C Temperatura di stoccaggio: Refrigerata |
MDL Number:
MFCD00006526 CAS Number: 58-96-8 EINECS: 200-407-5 |
Risultati del test di specificazione
Appearance | White to off-white Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 162 to 170 °C |
Loss on drying | ≤1 % (105 °C, 2 hrs) |
Sulfated ash | ≤0.1 % |
HPLC | ≥98.5 % |
UV spectrophotometry | molar absorptivity 10100 +/- 2%, on dry basis |
UV transmittance | ≥95 % (c=1, H2O, 430 nm) 1 cm cell |
Ratio of Absorbances | 0.34 to 0.38 (A280/A260) |
Heavy metals (as Pb) | ≤10 ppm |
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