CAS 105985-17-9 appears in our catalog under these names: 3–Chloropyrazin–2(1H)–one, 3-Chloropyrazin-2(1H)-one, 3-Chloropyrazin-2(1H)-one 95%, 3-Chloropyrazin-2(1H)-one, 95%, 95%, 3-Chloropyrazin-2(1H)-one, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 5g, 10g, 25g.