CAS 18310-60-6 appears in our catalog under these names: 3A-Methyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione(relative), 95%, rac-(1R,2S,6R,7S)-2-Methyl-4-oxatricyclo(5.2.1.0,2,6)dec-8-ene-3,5-dione. Offered by: Combi-blocks, Biosynth. Available pack sizes: 1g, 250mg, 100mg, 50mg, 0,5g.