CAS 6639-79-8 appears in our catalog under these names: 6-Chloroquinoxaline-2,3-diol, 6-Chloroquinoxaline-2,3-diol, 95%, 95%, 6-Chloroquinoxaline-2,3-diol, 95%. Offered by: Dr. Ehrenstorfer, Chemat, HPC Standards, Fluorochem. Available pack sizes: 25mg, 100mg, 250mg, 500mg, 1g, 5g, 10g, 1x10mg.