CAS 83777-30-4 appears in our catalog under these names: DAOS/ 98.33% (existing batch purity), DAOS, N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt, DAOS 95%, N-ETHYL-N-(2-HYDROXY-3-SULFOPROPYL)-3,5&. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Sigma-Aldrich. Available pack sizes: 50mg, 1g, 10mM (in 1ml dmso), 5g, 0,5g, 2g, 10g, 1mg.