CAS 2022-55-1 appears in our catalog under these names: 9a-Fluoro-11ß, 6a, 17a, 21-Tetrahydroxy-Pregna-4-ene-3, 20-Dione, Fluocinolone Acetonide Impurity 14 . Offered by: Chemat Brand, Hubei YoungXin. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg.