CAS 201855-60-9 appears in our catalog under these names: Paroxetine hydrochloride (anhydrous) imp, Paroxetine Impurity 22（Paroxetine HCl Anhydrous EP Impurity H）. Offered by: Sigma-Aldrich, Hubei YoungXin. Available pack sizes: -, 10mg, 25mg, 50mg, 100mg, 200mg.