L(-)-Tyrosine 99+%
Fournisseur: Thermo Fisher Scientific
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Attention
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Synonyms:
L-Tyrosine, (S)-(-)-Tyrosine, Tyrosine, H-Tyr-OH
140640010
140640050
140641000
140640025
ACRO140640010EA
462
EUR
ACRO140640010
ACRO140640050
ACRO140641000
ACRO140640025
L(-)-Tyrosine 99+%
L(-)-Tyrosine
Formule:
C₉H₁₁NO₃ MW: 181.19 g/mol Point d'ébullition: 351 Point de fusion: 290 °C (déc.) Point d'éclair: 176 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00002606 Numéro CAS: 60-18-4 EINECS: 200-460-4 Merck Index: 13,09907 |
Résultats des tests de spécification
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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