D(-)-Leucin 99%
Lieferant: Thermo Scientific
Synonyme:
H-D-Leu-OH
, (R)-(-)-Leucin
, (R)-(-)-α-Amino-γ-methylvaleriansäure
, (R)-(-)-2-Amino-4-methylpentansäure
ACRO226900025EA
41.6
EUR
ACRO226900025
ACRO226900100
D(-)-Leucin 99%
D(-)-Leucin
Formel:
C₆H₁₃NO₂ Molecular Weight: 131,17 g/mol Siedepunkt: 226 °C (1013 hPa) Schmelzpunkt: >300 °C |
MDL:
MFCD00063088 CAS-Nummer: 328-38-1 EINECS: 206-327-7 |
Spezifikation Testergebnisse
Appearance | White Powder or crystals or flakes |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % |
TLC | ≤0.5 % L-enantiomer |
Appearance of solution | (5% soln. in 3 N HCl) clear, colorless |
Residue after ignition | ≤0.1 % |
Specific optical rotation | -14.9° to -16° (20°C, 589 nm) (c=4, 6 N HCl) |
Titration with HClO4 | ≥98.5 % |
Arsenic (As) | ≤2 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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