CAS 5625-37-6 appears in our catalog under these names: PIPES, 1.0M buffer soln., pH 6 , PIPES, 0.5M buffer soln., pH 6 , PIPES, 98% , PIPES, 1.0M buffer soln., pH 8 , PIPES, 0.5M buffer soln., pH 8 . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 250ml, 500ml, 100ml, 25g, 100g, 500g.