L(+)-Arginine 98+%

Supplier: Thermo Scientific
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Synonyms: L-ArginineH-L-Arg-OHArginine(S)-(+)-ArginineH-Arg-OH(S)-2-Amino-5-guanidinopentanoic acid

ACRO104995000EA 173 GBP
ACRO104995000 ACRO104990100 ACRO104991000 ACRO104990025
L(+)-Arginine 98+%
L(+)-Arginine
Formula: C₆H₁₄N₄O₂
MW: 174.2 g/mol
Melting Pt: 223…224 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00002635
CAS Number: 74-79-3
EINECS: 200-811-1
Merck Index: 13,00785

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Specification Test Results

Appearance White to almost white Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C)
Residue after ignition ≤0.3 %
Specific optical rotation +25.8° to +28.5° (20°C, 589 nm) (c=8, 6 N HCl) (on dried substance)
Titration with HClO4 98.0 to 102.0 % (on dried substance)
Chloride (Cl) ≤500 ppm
Sulfate (SO4) ≤300 ppm
Iron (Fe) ≤30 ppm
Heavy metals (as Pb) ≤15 ppm

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