D-Leucine

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D-Leucine
CAS RN: 328-38-1
 

Solubility in 3M-HCl Colorless & clear (c=5)
Specific rotation [α]D20 -14.8°~-15.7°(c=4, 6M-HCl)
Loss on drying Not more than 0.3%
Residue on ignition (as sulfate) Not more than 0.1%
Chloride (Cl) Not more than 0.02%
Sulfate (SO4) Not more than 0.03%
Heavy metals (as Pb) Not more than 10ppm
Iron (Fe) Not more than 10ppm
Ammonium (NH4) Not more than 0.02%
Arsenic (As2O3) Not more than 1ppm
Other amino acids Not detected by T.L.C.(The spotted amount, 50μg)
Assay 98.5%~101.0%
L-Isomer Not more than 0.5%

 

D-Leucine


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