CAS 506-42-3 appears in our catalog under these names: Trans-9-octadecenol, 98%, Elaidyl Alcohol, trans-9-Octadecenol, >99.0%(GC), trans-9-Octadecenol 99%, ELAIDYL ALCOHOL. Offered by: Combi-blocks, GLPBio, TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 1g, 5g, 250mg, 500mg, 250 mg.