CAS 1338-24-5 appears in our catalog under these names: Naphthenic Acid, Naphthenic acids, pract., Naphthenic acid (technical mixture), ISO 17034 RM, Naphthenic acid technical. Offered by: TCI, Biosynth, Thermo Scientific (Acros), HPC Standards, Sigma-Aldrich. Available pack sizes: 25g, 500g, 2000g, 5000g, 2.5KG, 100g, 10000g, 1g.