CAS 88418-69-3 appears in our catalog under these names: 4-Isocyanato-2,2,6,6-tetramethyl-1-(l1-oxidanyl)piperidine, 97%, 4-isocyanato TEMPO, 4–isocyanato TEMPO, 4-Isocyanato-TEMPO,Technical grade. Offered by: Chemat Brand, TargetMol, GLPBio, MedChemExpress. Available pack sizes: on request, 5mg, 500μg, 1mg, 10mg, Get quote.