L(-)-Tyrosine 99+%

Supplier: Thermo Scientific

ACRO140641000EA 70.4 EUR
ACRO140641000 ACRO140640010 ACRO140640025 ACRO140640050
L(-)-Tyrosine 99+%
L(-)-Tyrosine

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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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