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L-Tryptophan
Type:Amino Acid
CAS No:73
Qty in 20′ FCL:0MT
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ITEMS | STANDARDs |
Appearance | White crystals or crystalline powder |
Assay | 98% Min |
Specific Rotation | -29.0~ -32.3 |
Loss on Drying | 0.5% Max |
Heavy Metals | 20mg/kg Max |
Arsenic(As2O3) | 2mg/kg Max |
Residue on ignition | 0.5% Max |
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Specificaiton
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ITEMS STANDARDs Appearance White crystals or crystalline powder Assay 98% Min Specific Rotation -29.0~ -32.3 Loss on Drying 0.5% Max Heavy Metals 20mg/kg Max Arsenic(As2O3) 2mg/kg Max Residue on ignition 0.5% Max