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L(+)-Istidina monocloridrato monoidrato 98%

Fornitore: Thermo Scientific

Synonyms: (S)-(+)-Istidina monocloridrato monoidrato, H-L-His-OH.HCl.H2O, (S)-(+)-Istidina HCl monoidrato

411730250 411731000 411730025 411735000
ACRO411730250EA 39.3 EUR
ACRO411730250 ACRO411731000 ACRO411730025 ACRO411735000
L(+)-Istidina monocloridrato monoidrato 98%
L(+)-Istidina monocloridrato monoidrato
Formula: C₆H₉N₃O₂·HCl·H₂O
Peso molecolare: 209,63 g/mol
Punto di fusione: 259 °C
Densità: 1,485 g/cm³ (20 °C)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00151027
CAS Number: 5934-29-2
EINECS: 211-438-9
Merck Index: 13,04741
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Risultati del test di specificazione

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying 7 % to 10 % (3 h) (145 to 150°C)
Sulfated ash ≤0.1 %
pH 3 to 5 (2.5 % at 25°C)
Specific optical rotation +9.2° to +10.6° (20°C, 589 nm) (c=11, 6 N HCl) (On anhydrous substance)
Titration with NaOH ≥97.5 % (On anhydrous substance)
Sulfate (SO4) ≤300 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.5 % (TLC)

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