CAS 5398-11-8 appears in our catalog under these names: 3–Phenylphthalide, 3-Phenylphthalide, >98.0%(GC), 3-Phenylphthalide 97%, 3-Phenylisobenzofuran-1(3H)-one, 97%, 97%. Offered by: GLPBio, TCI, Ambeed, Chemat. Available pack sizes: 25g, 5g, 1g, 10g.