CAS 2121-68-8 appears in our catalog under these names: Dimethyl 2,4–dimethylglutarate(mixture of isomers), Dimethyl 2,4-Dimethylglutarate, 98%, 98%, Dimethyl 2,4-dimethylpentanedioate, 98%. Offered by: GLPBio, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 100mg.