CAS 1188265-58-8 appears in our catalog under these names: Zonisamide-13C2-15N (Sulfonamide), Zonisamide-13C2-15N, >95% (HPLC), Zonisamide-13C2,15N, Zonisamide–13C2,15N, Zonisamide-13C2-15N. Offered by: Chemat Brand, TRC, TargetMol, GLPBio, Biosynth. Available pack sizes: on request, 10mg, 1mg, 5mg, 25mg, 50mg, 1 mg.