CAS 1047655-65-1 appears in our catalog under these names: Spiro[chromane-2,3'-pyrrolidin]-4-one hydrochloride, 95%, 3,4-Dihydrospiro(1-benzopyran-2,3'-pyrrolidine)-4-one hydrochloride, 98%, 3,4-DIHYDROSPIRO[1-BENZOPYRAN-2,3'-PYRROLIDINE]-4-ONE HYDROCHLORIDE, 95%, 95%. Offered by: Combi-blocks, AmBeed, Chemat. Available pack sizes: 5g, 1g, 250mg, 10g, 100mg.