CAS 13887-98-4 appears in our catalog under these names: 3,6,9-Trioxaundecandioic acid, 98%, 98%, 3,6,9-Trioxaundecanedioic Acid 98%, 3,6,9–Trioxaundecanedioic Acid, 3,6,9-TRIOXAUNDECANEDIOIC ACID, 3,6,9-Trioxaundecanedioic acid, 98.76%. Offered by: Chemat, Ambeed, GLPBio, Sigma-Aldrich, MedChemExpress. Available pack sizes: 100mg, 250mg, 1g, 5g, 10g, 25g, 500mg, 250ML.