CAS 851178-99-9 appears in our catalog under these names: 4-Chloro-2,3-difluoropyridine, 95%, 2，3–Difluoro–4–chloropyridine, 4-Chloro-2,3-difluoropyridine, 98%, 98%, 2,3-Difluoro-4-chloropyridine, ≥95%. Offered by: Combi-blocks, GLPBio, Chemat, Fluorochem. Available pack sizes: 250mg, 5g, 1g, 100mg, 50mg, 10g, 25g.