2-Hydroxy-3-methyl-butanedioic Acid is used as a sole C source when metabolized by soil bacterium; Also, it is an intermediate used in the synthesis of 5-Methyl-2’-deoxy Cytidine-13C,15N2 (M295904), which is an isotopic analog of 5-Methyl-2’-deoxy Cytidine (M295900), a Cytidine (C998300) analog and also an isostere of Thymidine (T412000).