乙酰-L-酪氨酸537-55-3
Items
Standard
Analysis data
Appearance
White crystal or white crystalline powder
Conforms
Specific
Rotation [20/D]
(C=2 inH2O)
+46.0° to +49.0°
46.80°
State
of solution
≥96.0%
97.2%
Chloride (Cl)
Not more than 0.020%
＜0.02%
Ammonium (NH4)
Not more than 0.020%
＜0.02%
Sulfate (SO4)
Not more than 0.020%
＜0.02%
Iron (Fe)
Not more than 30ppm
＜30 ppm
Heavy metal(Pb)
Not more than 10ppm
＜10 ppm
Arsenic(As2O3)
Not more than 2ppm
＜2 ppm
Loss on drying
Not more than 0.5%
0.40%
Residue on
ignition(sulfated)
Not more than 0.1%
0.08%
Assay
99.0 to101%
99.2%
Negative
S.aureus
Absent/10g
Negative
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