L(+)-Histidin (nicht tierischen Ursprungs) auf Zellkulturen getestet, Sigma-Aldrich®
Lieferant: Merck
Synonyme:
(S)-(+)-2-Amino-3-(4-imidazoyl)propansäure, H, (S)-(+)-Histidin, His, (2S)-(+)-Histidin, H-His-OH, L-3-Imidazol-4-ylalanin
M-Clarity™ Qualitätsstufe = MQ200
H6034-25G
H6034-100G
H6034-10MG
H6034-1KG
SIALH6034-25GEA
92.7
EUR
SIALH6034-25G
SIALH6034-100G
SIALH6034-10MG
SIALH6034-1KG
L(+)-Histidin (nicht tierischen Ursprungs) auf Zellkulturen getestet, Sigma-Aldrich®
L(+)-Histidin
Meets EP, USP testing specifications
Formel:
C₆H₉N₃O₂ Molecular Weight: 155,16 g/mol Schmelzpunkt: 272…273 °C Dichte: 1,44 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00064315 CAS-Nummer: 71-00-1 EINECS: 200-745-3 Merck Index: 13,04741 |
Spezifikation Testergebnisse
Solubility (Colour) | Colourless |
Solubility (Turbidity)-0,5 g to 10 ml, H₂O | Clear |
Identity by IR | Conforms to Structure |
Specific Rotation C = 11, 6 M HCl, 20 °C/EP | 12,0 – 12,8 |
Specific Rotation C = 11, 6 M HCl, 25 °C/USP | 12,6 – 14,0 |
Chloride (Cl) | ≤ 0,020% |
Ammonium | ≤ 0,02 % |
Sulfate | ≤ 0,020% |
Iron (Fe) | ≤ 10 ppm |
Heavy Metals | ≤ 10 ppm |
Arsenic (As) | ≤ 1 ppm |
Loss on Drying | 0,20% |
Residue on ignition (Ash) | 0,10% |
Ninhydrin-Positive Substances other amino acids | Conforms |
pH 2% in H₂O | 7,0 – 8,5 |
Assay (Dry Basis) | 98,5 – 101,0% |
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