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 |
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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