乙酰-L-亮氨酸????1188-21-2
Items
Standard
Analysis data
Appearance
White powder
conforms
Specific Rotation [20/D]
(C=4
in methanol)
-22.0 to -26.0°
-24.0°
State of Solution (Transmittance)
Not less than 98.0%
98.2%
Heavy Metals (Pb)
Not more than 20 PPM
6ppm
Iron (Fe)
Not
more than 10ppm
8ppm
Arsenic (As2O3)
Not more than 2 PPM
<2ppm
Chloride
(Cl)
Not
more than 0.020%
0.018%
Loss on Drying
Not more than 0.35%
0.18%
Residue on Ignition
Not more than 0.2%
0.09%
Assay
98.0% to 102.0%
99.0%
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