CAS 18959-32-5 appears in our catalog under these names: Dimethyl 4,5-difluorophthalate 97%, Dimethyl 4,5-difluorophthalate, 98%, 98%, Dimethyl 4,5-difluorophthalate, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 100mg.