CAS 923219-64-1 appears in our catalog under these names: 5-Hydroxy-2-oxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid, 95%, 5-Hydroxy-2-oxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid. Offered by: Combi-blocks, AmBeed, Biosynth. Available pack sizes: 5g, 1g, 250mg, 10g, 100mg.