CAS 108-10-1 appears in our catalog under these names: 4-Methyl-2-pentanone, >95% (GC), 4-Methyl-2-pentanone, 4-Methyl-2-pentanone, 99% , 4-Methyl-2-pentanone, ACS, 98.5+% , 4-Methyl-2-pentanone, HPLC Grade, 99+% . Offered by: TRC, Dr. Ehrenstorfer, Thermo Scientific (Alfa Aesar), TCI, Thermo Scientific (Acros). Available pack sizes: 100g, 250g, 25g, 1ml, 2500ml, 500ml, *4x500ml, 1L.