CAS 89354-45-0 appears in our catalog under these names: Riligustilide, rel-(-)-(1′S,3Z,5aR,6S,7aS)-3-Butylidene-3,4,5,5a,6,6′,7′,7a-octahydro-6-propylspiro[cyclobut[e]isobenzofuran-7(1H),1′(3′H)-isobenzofuran]-1,3′-dione, ≥95%, ≥95%. Offered by: Biosynth, Chemat, MedChemExpress. Available pack sizes: 5mg, 1mg, 10mg, 25mg, 50mg, 1 mg, 5 mg.