5'-​[[(3S)​-​3-​amino-​3-​carboxypropyl]​methylsulfonio]​-​5'-​deoxy-​Adenosine salt with 4-​methylbenzenesulfoni​c acid tris(4-​methylbenzenesulfona​te) salt

5'-​[[(3S)​-​3-​amino-​3-​carboxypropyl]​methylsulfonio]​-​5'-​deoxy-​Adenosine salt with 4-​methylbenzenesulfoni​c acid tris(4-​methylbenzenesulfona​te) salt is a useful nucleoside used in immobilized enzyme reactors coupled with a liquid chromatography system for study of kinetics in biochemical transformations.