CAS 31778-15-1 appears in our catalog under these names: Octadecyl 3–Mercaptopropionate, Octadecyl 3-Mercaptopropionate (contains ca. 12% Hexadecyl 3-Mercaptopropionate), >85.0%(GC), Octadecyl 3-mercaptopropanoate. Offered by: GLPBio, TCI, Fluorochem. Available pack sizes: 100g, 25g, 5g.