CAS 19549-80-5 appears in our catalog under these names: 4,6–Dimethyl–2–Heptanone, 4,6-Dimethylheptan-2-one, 4,6-Dimethylheptan-2-one 95% (mixture of isomers), 4,6-Dimethylheptan-2-one, 98%(GC-MS),RG. Offered by: GLPBio, Biosynth, Ambeed, Fluorochem. Available pack sizes: 1g, 25g, 5g, 10g.