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L-Tryptophan
UpdateTime:2025/2/26  
Product nameD-TryptophanMolecular formulaC11H12N2O2
CAS Number153-94-6Molecular weight204.2
AppearanceWhite fine powder crystalcontent99%(min)
ph5.5~7.0chloride(C1)≤0.020%
Sulfate(SO4)≤0.020%Ammonium(NH4)≤0.020%
Iron (Fe)≤10ppm

Heavy metals(pb)

≤10ppm
Arsenic(AS2O3)≤1ppmOther amino acids≤0.020%
Loss on drying≤0.2%Residue on ignition≤0.1%
State of solution≥98.0%Specific Rotation+29.4~ +32.8°(C=1 in H2O)
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