N-Acetyl-DL-Methionine: White crystals or crystalline powder
State of solution
≥95.0%
Heavy metals(Pb)
≤20PPm
Other amino acids
No spot
Arsenic(As2O3)
≤2PPm
Loss on drying
≤0.5%
Residue on ignition
≤0.3%
Assay
98.0~102.0%
PH
1.7~3.0
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