(2R,3R)-2-Amino-3-[[(2R)-2-amino-2-carboxyethyl]thio]butyric acid is a chemical compound registered under CAS number 42849-27-4. It is also known as (2R,3R,2R)-β-Methyllanthionine. KingChemi supplies (2R,3R)-2-Amino-3-[[(2R)-2-amino-2-carboxyethyl]thio]butyric acid for laboratory research and bulk production; product code 1322927. Send an inquiry for purity, packaging, price and lead time.