CAS 33697-81-3 appears in our catalog under these names: 3-Chloro-4-hydroxyphenylacetic acid., 3-Chloro-4-hydroxyphenylacetic acid, 95%, 3-Chloro-4-hydroxyphenylacetic acid 95%, 3-CHLORO-4-HYDROXYPHENYLACETIC ACID, 99%, 3-Chloro-4-hydroxyphenylacetic acid, 96.76%. Offered by: Biosynth, Combi-blocks, Ambeed, Sigma-Aldrich, MedChemExpress. Available pack sizes: 50g, 25g, 100g, 250g, 500g, 1g, 5g, 500 mg.