D(-)-Valin 98+%
Lieferant: Thermo Scientific
Synonyme:
(R)-(-)-Valin, (R)-(-)-2-Amino-3-methylbutansäure, (R)-(-)-2-Aminoisovaleriansäure, H-D-Val-OH
227220250
227220050
ACRO227220250EA
112
EUR
ACRO227220250
ACRO227220050
D(-)-Valin 98+%
D(-)-Valin
Formel:
C₅H₁₁NO₂ Molecular Weight: 117,15 g/mol Siedepunkt: 217 °C (1013 hPa) Schmelzpunkt: 302…303 °C (Zersetzung) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00064219 CAS-Nummer: 640-68-6 EINECS: 211-368-9 |
Spezifikation Testergebnisse
Appearance | White to off-white Crystalline powder |
Infrared spectrum | Conforms |
Water | ≤0.5 % |
Loss on drying | ≤0.5 % (105°C, 4 hrs) |
Sulfated ash | ≤0.2 % |
TLC | ≤1 % L-enantiomer |
Specific optical rotation | -26° to -29° (20°C, 589 nm) (c=5, 5 N HCl) |
Titration with HClO4 | 98.0 to 102.0 % |
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