L(+)-Leucin 99%

Lieferant: Thermo Scientific

Synonyms: (S)-(+)-Leucin(S)-(+)-2-Amino-4-methylpentansäureL-LeucinH-Leu-OH(S)-(+)-α-Amino-γ-methylvaleriansäure

ACRO125125000EA 306 CHF
ACRO125125000 ACRO125121000 ACRO125120025
L(+)-Leucin 99%
L(+)-Leucin
Formel: C₆H₁₃NO₂
MW: 131,17 g/mol
Melting Pt: 286…288 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00002617
CAS-Nummer: 61-90-5
EINECS: 200-522-0
Merck Index: 14,05451

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Spezifikation Testergebnisse

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.2 % (105°C, 3 hrs)
Sulfated ash ≤0.4 %
UV transmittance ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH 5.5 to 7.0 (1 % in water)
Specific optical rotation +14.5° to +17.3° (20°C, 589 nm) (c=4, 6 N HCl)
Titration with HClO4 98.5 to 101.5 %
Chloride (Cl) ≤500 ppm
Sulfate (SO4) ≤300 ppm
Iron (Fe) ≤30 ppm
Heavy metals (as Pb) ≤20 ppm
Other amino acids ≤0.5 % (TLC)

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