L-组氨酸一盐酸盐一水合物 98%

供应商: Thermo Scientific

Synonyms: L-α-氨基-β-(4-咪唑基)丙酸

ACRO411730250EA 0 CNY
ACRO411730250 ACRO411730025 ACRO411735000 ACRO411731000
L-组氨酸一盐酸盐一水合物 98%
L-组氨酸一盐酸盐一水合物
分子式: C₆H₉N₃O₂·HCl·H₂O
分子量: 209,63 g/mol
存储条件: Ambient
MDL编号: MFCD00151027
CAS号: 5934-29-2
EINECS: 211-438-9
Merck Index: 13,04741
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产品技术规格

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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