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D-tryptophan
UpdateTime:2025/2/26  
Product nameD-tryptophanMolecular formulaC11H12N2O2
CAS code153-94-6Molecular weight204.2
appearanceWhite fine powder crystalcontent99%(min)
PH5.5~7.0chloride≤0.020%
sulfate≤0.020%Ammonium salt≤0.020%
Ferric salt≤10ppmHeavy metal≤10ppm
Arsenic salt≤1ppmOther amino acids≤0.020%
Drying loss≤0.2%Burning residue≤0.1%
Light transmittance≥98.0%Specific rotation+29.4~ +32.8°(C=1 in H2O)
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