L(+)-Histidine monohydrochloride monohydrate 98%
Supplier: Thermo Scientific
Synonyms:
L-Histidine monohydrochloride monohydrate, (2S)-(+)-Histidine monohydrochloride monohydrate, L-Histidine hydrochloride monohydrate, (S)-(+)-Histidine monohydrochloride monohydrate, His HCl monohydrate, H-His-OH.HCl.H2O, H-His-OH·HCl·H₂O, L-3-Imidazol-4-ylalanine monohydrochloride monohydrate, L-Histidine hydrochloride hydrate
411730250
411731000
411730025
411735000
ACRO411730250EA
68
GBP
ACRO411730250
ACRO411731000
ACRO411730025
ACRO411735000
L(+)-Histidine monohydrochloride monohydrate 98%
L(+)-Histidine monohydrochloride monohydrate
Formula:
C₆H₉N₃O₂·HCl·H₂O MW: 209,63 g/mol Melting Pt: 259 °C Density: 1,485 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00151027 CAS Number: 5934-29-2 EINECS: 211-438-9 Merck Index: 13,04741 |
Specification Test Results
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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