Xanthine 98%
Dodavatel: Thermo Fisher Scientific
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Varování
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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
1600
CZK
ACRO149170050
ACRO149170250
ACRO149171000
Xanthine 98%
Xanthine
Vzorec:
C₅H₄N₄O₂ MW: 152.11 Bod tání: >300 °C Storage Temperature: Ambient |
MDL Number:
MFCD00078453 CAS číslo: 69-89-6 EINECS: 200-718-6 Merck Index: 12,10193 |
Výsledky specifikačního testu
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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