Xanthine 98%
Fornitore: Thermo Scientific
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Attenzione
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Synonyms:
1H-Purine-2,6(3H,7H)-dione, 3,7-Dihydro-1H-purine-2,6-dione, 2,6-Dihydroxypurine
149170050
149170250
149171000
ACRO149170050EA
42.9
EUR
ACRO149170050
ACRO149170250
ACRO149171000
Xanthine 98%
Xanthine
Formula:
C₅H₄N₄O₂ Peso molecolare: 152,11 g/mol Punto di fusione: >300 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00078453 CAS Number: 69-89-6 EINECS: 200-718-6 Merck Index: 12,10193 |
Risultati del test di specificazione
Appearance | White to light yellow Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤1 % (105°C, 5 hrs) |
Sulfated ash | ≤0.2 % (800°C) |
HPLC | ≥97.5 % |
TLC | Homogeneous |
UV spectrophotometry | molar absorptivity 9300 +/- 2%, on dry basis |
Appearance of solution | (c=1, 1M NaOH) clear colorless to light yellow soln |
Heavy metals (as Pb) | ≤10 ppm |
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