CAS 6192-52-5 appears in our catalog under these names: Anastrozole Impurity 11（EP Impurity F）, p-Toluenesulfonic acid monohydrate, 97% , p-Toluenesulfonic acid monohydrate, ACS, 98.5+% . Offered by: Hubei YoungXin, Thermo Scientific (Alfa Aesar). Available pack sizes: 10mg, 25mg, 50mg, 100mg, 200mg, 25g, 100g, 500g.