L-α-Phenylalanin 98,5-101,0%, erfüllt analytische Spezifikationen von USP
Lieferant: Thermo Scientific
Synonyme:
H-Phe-OH, H-L-Phe-OH, L-α-Phenylalanin, 3-Phenyl-L(-)-alanin, 3-Phenyl-L-alanin, (S)-(-)-2-Amino-3-phenylpropansäure
453930250
453931000
ACRO453930250EA
41.8
EUR
ACRO453930250
ACRO453931000
L-α-Phenylalanin 98,5-101,0%, erfüllt analytische Spezifikationen von USP
L-α-Phenylalanin
Formel:
C₉H₁₁NO₂ Molecular Weight: 165,19 g/mol Siedepunkt: 313 °C (1013 hPa) Schmelzpunkt: 270…275 °C (Zersetzung) Dichte: 0,754 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00064227 CAS-Nummer: 63-91-2 |
Spezifikation Testergebnisse
Appearance | Colorless to white Powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.3 % (105°C, 3 hrs) |
Heavy metals | ≤15 ppm |
Sulfated ash | ≤0.4 % |
Related substances | ≤0.5 % (individual impurities) |
pH | 5.4 to 6.0 (1 % solution) |
Specific optical rotation | -32.7° to -34.7° (20°C, 589 nm) (2%,water) |
Titration with HClO4 | 98.5 to 101.5 % (On dried base) |
Chloride (Cl) | ≤0.05 % |
Sulfate (SO4) | ≤0.03 % |
Iron (Fe) | ≤0.003 % |
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