CAS 27043-05-6 appears in our catalog under these names: 2-ETHYL-3, 5(6)-DIMETHYLPYRAZINE, MIXTUR, 2-Ethyl-3,5(6)-dimethylpyrazine, 98%, 98%, 2-Ethyl-3,(5 or 6)-dimethylpyrazine, 98% (mix), 2-Ethyl-3,5-dimethylpyrazine (contains 2-Ethyl-3,6-dimethylpyrazine), >98.0%(GC), 2-Ethyl-3,5-dimethylpyrazine (contains 2-Ethyl-3,6-dimethylpyrazine), ≥95%. Offered by: Sigma-Aldrich, Chemat, AmBeed, TCI, Fluorochem. Available pack sizes: 100MG, 5g, 25g, 100g, 500g.