L(-)-Tyrosine 99+%
Supplier: Thermo Scientific
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Warning
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Synonyms:
L-Tyrosine, (S)-(-)-Tyrosine, Tyrosine, H-Tyr-OH
140640010
140640050
140641000
140640025
ACRO140640010EA
734
GBP
ACRO140640010
ACRO140640050
ACRO140641000
ACRO140640025
L(-)-Tyrosine 99+%
L(-)-Tyrosine
Formula:
C₉H₁₁NO₃ MW: 181,19 g/mol Boiling Pt: 351 °C (1013 hPa) Melting Pt: 290 °C (dec.) Density: 1,41 g/cm³ (20 °C) Flash Pt: 176 °C Storage Temperature: Ambient |
MDL Number:
MFCD00002606 CAS Number: 60-18-4 EINECS: 200-460-4 Merck Index: 13,09907 |
Specification Test Results
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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