structural formula business number 015k molecular formula c5h11no2s molecular weight 149.21 label β,β-dimethyl-dl-cysteine, dl-2-amino-3-mercapto-3-methylbutanoic acid numbering system physical property data toxicological data ecological data molecular structure data computing chemical data more properties and stability storage method synthesis method purpose numbering system cas number:52-66-4 mdl number:mfcd00004856 einecs number:200-147-2 rtecs number:yv9445000 brn number:2039817 pubchem number:24898596 physical property...