L(-)-Tyrosin 99+%
Lieferant: Thermo Scientific
|
Achtung
|
Synonyms:
(S)-(-)-2-Amino-3-(4-hydroxyphenyl)propionsäure
, L(-)-p-Hydroxyphenylalanin
, Y
, Tyr
, (S)-(-)-p-Hydroxyphenylalanin
, H-Tyr-OH
ACRO140641000EA
79.8
CHF
ACRO140641000
ACRO140640010
ACRO140640025
ACRO140640050
L(-)-Tyrosin 99+%
L(-)-Tyrosin
Formel:
C₉H₁₁NO₃ MW: 181,19 g/mol Siedepunkt: 351 °C (1013 hPa) Melting Pt: 290 °C (Zersetzung) Flash-Pt: 176 °C Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00002606 CAS-Nummer: 60-18-4 EINECS: 200-460-4 Merck Index: 13,09907 |
Spezifikation Testergebnisse
Appearance | White to almost white Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Sulfated ash | ≤0.1 % |
Specific optical rotation | -9.8° to -12.3° (20°C, 589 nm) (c=5, 1 N HCl) |
Titration with HClO4 | ≥99.0 % (on dried substance) |
Chloride (Cl) | ≤400 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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