CAS 4279-22-5 appears in our catalog under these names: 2，2–Dichlorobutane, 2,2-Dichlorobutane, >88.0%(GC), 2,2-Dichlorobutane, 95%, 95%, 2,2-DICHLOROBUTANE, 95%. Offered by: GLPBio, TCI, Chemat, Fluorochem. Available pack sizes: 1ml, 10ml, 10mg, 25mg, 100mg.