CAS 142-82-5 appears in our catalog under these names: n-Heptane, Spectrophotometric Grade, 99+% n-Heptane 96% min , n-Heptane, Environmental Grade, 96+% , n-Heptane, anhydrous, 99+%, packaged under inert gas in rese, n-Heptane, anhydrous, over molecular sieves, packaged under , n-Heptane, HPLC grade, 99+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 1L, *4x1L, 100ml, 250ml, 2.5L , 2500ml, 500ml, 1000ml.