CAS 110-86-1 appears in our catalog under these names: Pyridine, 99+% , Pyridine, Ultrapure, Spectrophotometric Grade, 99.5+% , Pyridine, anhydrous, 99.5+%, packaged under Argon in reseala, Pyridine, ACS, 99.0+% , Pyridine, HPLC Grade, 99.5+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 10000ml, 2500ml, 500ml, 250ml, 1L, 4L, *4x1L, 100ml.