CAS 14883-87-5 appears in our catalog under these names: DL -3,4-Dihydroxymandelic acid/ 99.52% (existing batch purity), DL-3,4-DIHYDROXYMANDELIC ACID, 95%, DL -3,4-Dihydroxymandelic acid. Offered by: TargetMol, Sigma-Aldrich, Chemat. Available pack sizes: 5mg, 50mg, 100mg, 500MG, 250mg, 1g.