CAS 84367-31-7 appears in our catalog under these names: Levocarnitine Impurity 7, (R)-4-Chloro-3-Hydroxybutyronitrile, (R)–(+)–4–Chloro–3–hydroxybutyronitrile, (R)-(+)-4-Chloro-3-hydroxybutyronitrile, >96.0%(GC), (R)-(+)-4-Chloro-3-hydroxybutyronitrile 96%. Offered by: Chemat Brand, GLPBio, Biosynth, TCI, Ambeed. Available pack sizes: on request, 100g, 25g, 50g, 1g, 5g, 1000g, 500g.