L-Leucine

L-Leucine
L-Leucine
L-Leucine
L-Leucine
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Product Name: L-Leucine
Batch No.: LC******
Quality: USP24(Hydrolyzation and Fermentation)
Shelf Life: 2years

Tests Limits Test results
Description White crystals or crystalline powder crystalline powder
Identification ( IR ) Concordant with the reference spectrum Concordant with the reference spectrum
Assay 98.5 ~ 101.5% 99 .4 %
Specific rotation 14.9° ~ 17.3° 15. 5°
PH 5.5-7.0 6. 7
Chloride ≤0.05% <0.05%
Sulfate(SO4) ≤0.03% <0.03%
Iron ≤30ppm <30ppm
Heavy metals(Pb) ≤15ppm <15ppm
Loss on drying ≤0.20% 0. 16 %
Residue on ignition ≤0.40% 0. 13 %
Organic volatile impurities Meet the requirements Meet the requirements

Product Name: L-Leucine
Batch No.: LC******
Quality: USP37(Hydrolyzation and Fermentation)
Shelf Life: 2years

Tests Limits Test results
Description White crystals or crystalline powder crystalline powder
Identification ( IR ) Concordant with the reference spectrum Concordant with the reference spectrum
Assay 98.5 ~ 101.5% 99 .4 %
Specific rotation 14.9° ~ 17.3° 15. 5°
PH 5.5-7.0 6. 7
Chloride ≤0.05% <0.05%
Sulfate(SO4) ≤0.03% <0.03%
Iron ≤30ppm <30ppm
Heavy metals(Pb) ≤15ppm <15ppm
Arsenic(As) ≤1ppm ﹤ 1ppm
Loss on drying ≤0.20% 0. 16 %
Residue on ignition ≤0.40% 0. 13 %
Other amino acids ≤0.5% < 0.5%
Organic volatile impurities Meet the requirements Meet the requirements
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