S-Aminoethyl-L-cysteine, also known as thialysine, is a toxic analog of the amino acid lysine in which the second carbon of the amino acid's R-group (side chain) has been replaced with a sulfur atom.

CAS：2936-69-8
中文别名：L-4-硫杂赖氨酸;
英文别名：Aminoethylcysteine;L-S-(2-Aminoethyl)-Cysteine;4-thialysine;(R)-S-(2-aminoethyl)cysteine;(2R)-2-amino-3-(2-aminoethylsulfanyl)propanoic acid;S-(2-Aminoethyl)-L-cysteine;3-<(2-Aminoaethyl)-thio>-L-alanin;Thiosine;thialysine;S-2-Aminoethyl cysteine;S-(2-Amino-aethyl)-L-cystein;4-thia-L-lysine;
分子式：C5H12N2O2S
分子量：164.226
精确质量：164.062
Psa：114.64
Logp：0.4908

沸点：341.1ºC at 760mmHg
闪点：160.1ºC

海关编码：2930909090