CAS 2172654-74-7 appears in our catalog under these names: 2-Oxa-8-azaspiro(4.5)decane Related Compound 2, tert-butyl (3R,4R)-4-(((R)-tert-butylsulfinyl)amino)-3-methyl-2-oxa-8-azaspiro(4.5)decane-8-carboxylate. Offered by: Chemat Brand, Hubei YoungXin. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg.