CAS 940-31-8 appears in our catalog under these names: 2-Phenoxypropionic acid, 95%, 2-Phenoxypropionic Acid, 2-Phenoxypropionic Acid, >98.0%(GC)(T), 2-Phenoxypropanoic acid 98%, (+/-)-2-PHENOXYPROPIONIC ACID, 98+%. Offered by: Combi-blocks, TRC, TCI, Ambeed, Sigma-Aldrich. Available pack sizes: 5g, 100g, 25g, 500g, 10g, 50g.