L-Leucine
Product Name: L-Leucine
Product Number: FL182
SIZE: 10G, 25G,100G ,500G
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
CAS: 61-90-5
TEST
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SPECIFICATION
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Appearance
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White crystal or crystalline powder
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Infrared spectrometry
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Conforms
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Purity
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98.5 - 101.5 %
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Loss on drying
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<0.2 %
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Heavy metals
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<10 ppm
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Sulfated ash
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<0.1 %
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Other amino acids
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<0.5 % (TLC)
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Specific rotation [a]20/D
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+14.9° - +16° (c=4, 6 N HCl
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Cl
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< 200 ppm
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SO4
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< 200 ppm
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NH4
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< 200 ppm
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Fe
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< 10 ppm
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Transmittance
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>95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
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pH
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5.5-6.5
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