乙酰-D-亮氨酸19764-30-8
Items
Standard
Analysis data
Appearance
White to off-white powder
conforms
Specific Rotation [20/D]
(C=4 in CH3OH)
+22o to +26o
+24.49o
Melting point
187-190℃
188℃
Heavy Metals (Pb)
Not more than 20 PPM
<20ppm
Arsenic (As2O3)
Not more than 2 PPM
<2ppm
Loss on Drying
Not more than 0.50%
0.25%
Residue on Ignition
Not more than 0.2%
0.09%
Assay
Not less than 98.5%
99.0%
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