中文名字：L-色氨酸

Product Name:L-Tryptophan
Synonyms:(S)-2-Amino-3-(3-indolyl)propionic acid
Molecular Formula:C₁₁H₁₂N₂O₂
CAS #:73-22-3

 

Test Items	Standard
Appearance	Almost white powder
Specific Rotation [α]20/D	-30.0 to -33.0 Degree (C=1 in H2O)
Assay	98.0 to 101.0%
Chloride (Cl)	Not more than 0.10%
Heavy Metals (Pb)	Not more than 10 PPM
Loss on Drying	Not more than 0.20%
Residue on Ignition (Sulfate)	Not more than 0.20%