CAS 40662-29-1 appears in our catalog under these names: Fivemethyl-Lock, 3-Methyl-3-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dien-1-yl)butanoic Acid, >97.0%(HPLC)(T), 3-Methyl-3-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dien-1-yl)butanoic acid 97%, 3-(2,3,5-Trimethyl-1,4-Benzoquinonyl)-3-Methylbutyric Acid, 97%, 97%, 3-Methyl-3-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dien-1-yl)butanoic acid, 98%. Offered by: Iris Biotech, TCI, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 100mg, 10g, 15g, 25g.