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L-Threonine 98%

Fornitore: Thermo Scientific

Synonyms: (2S,3R)-(-)-Threonine, H-Thr-OH, (2S,3R)-2-Amino-3-hydroxybutyric acid

138930250 138931000 138930050 138935000
ACRO138930250EA 58.9 EUR
ACRO138930250 ACRO138931000 ACRO138930050 ACRO138935000
L-Threonine 98%
L-Threonine
Formula: C₄H₉NO₃
Peso molecolare: 119,12 g/mol
Punto di fusione: 255 °C (dec.)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00064270
CAS Number: 72-19-5
EINECS: 200-774-1

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Risultati del test di specificazione

Appearance White to off-white Crystalline powder or glistening flakes
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C, 3 hrs)
Sulfated ash ≤0.1 %
Solubility (2.5 % in water) Clear colorless
Specific optical rotation -27.6° to -29.0° (20°C, 589 nm) (c=6, H2O)
Titration with HClO4 97.5 to 102.5 % (On dried substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤300 ppm
Heavy metals (as Pb) ≤10 ppm

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