中文名字：DL-乙硫氨基酪酸，乙基蛋氨酸

Product Name:DL-ethionine
Synonyms:2-Amino-4-(ethylthio)butyric acid
Molecular Formula:C₂H₅SCH₂CH₂CH(NH₂)COOH
CAS #:67-21-0

Test Items	Standard
Appearance	White fine crystals
Assay	98.0 to 101.0%
Specific Rotation [α]20/D	°～°
Melting point
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%