CAS 3317-61-1 appears in our catalog under these names: 5,5-Dimethyl-1-pyrroline N-oxide, min. 95 %, 1 g, 5,5-Dimethyl-1-pyrroline N-oxide, 5,5-Dimethyl-1-pyrroline-n-oxide, 95%, 5,5-Dimethyl-1-pyrroline N-Oxide, >95% (HPLC), DMPO/ 99.39% (existing batch purity). Offered by: Roth, Biosynth, Sigma-Aldrich, Fluorochem, TRC. Available pack sizes: 1g, 2g, 5g, 10g, 25g, 100MG, 250mg, 100g.