Cytidine 99+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
4-Amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one
Formule:
C₉H₁₃N₃O₅ Point de fusion: 210…217 °C (déc.) Température de stockage: Réfrigérateur |
Numéro MDL:
MFCD00006545 Numéro CAS: 65-46-3 EINECS: 200-610-9 |
Résultats des tests de spécification
Appearance | White to almost white Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 210 to 217 °C (Dec) |
Loss on drying | ≤0.5 % (105 °C, 5 hrs) |
Sulfated ash | ≤0.1 % (800 °C) |
HPLC | ≥99.0 % |
UV spectrophotometry | molar absorptivity 13000 +/- 2%, on dry basis |
UV transmittance | ≥98 % (c=1, H2O, 430 nm) 1 cm cell |
Ratio of Absorbances | 2.05 to 2.15 (A280/A260) |
Heavy metals (as Pb) | ≤10 ppm |
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