描述
2-ethyl-5-methylpyrazine, 9ci, 8ci, also known as 2,5-methylethylpyrazine or fema 3154, is a member of the class of compounds known as pyrazines. Pyrazines are compounds containing a pyrazine ring, which is a six-member aromatic heterocycle, that consists of two nitrogen atoms (at positions 1 and 4) and four carbon atoms. 2-ethyl-5-methylpyrazine, 9ci, 8ci is soluble (in water) and a moderately basic compound (based on its pKa). 2-ethyl-5-methylpyrazine, 9ci, 8ci is a sweet, bean, and coffee tasting compound and can be found in a number of food items such as cereals and cereal products, fenugreek, coffee and coffee products, and tea, which makes 2-ethyl-5-methylpyrazine, 9ci, 8ci a potential biomarker for the consumption of these food products.