L-Leucine

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Description: Other name: L-2-Amino-4-methylpentanoic Acid. Molecular weight: 131.2. CAS#61-90-5. Specifications Typical Assay: 98.5% - 101.0% 99.8% …

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Description: Other name: L-2-Amino-4-methylpentanoic Acid. Molecular weight: 131.2. CAS#61-90-5. Specifications Typical Assay: 98.5% - 101.0% 99.8% Specific rotation [a]D 20: +14.4° - +16.0° +15.5° pH 5.5 - 6.5 6.0 Loss on drying: 0.3% Max. 0.02% Residue on ignition: 0.1% Max. 0.08% Arsenic(As): 2 ppm Max. <2 ppm Chloride (Cl- ): 0.02% Max. <0.02% Iron (Fe): 30 ppm Max. <30 ppm Sulfate(SO4 2-): 0.03% Max. <0.03% Heavy Metals(Pb): 10 ppm Max. <10 ppm Other Amino Acids: Not detectable None Ammonium Salt (NH4 +): 0.02% Max. <0.02% Packaging: 25 Kg paper drum

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