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
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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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