Acetylpyrazine

Acetylpyrazine is an organic compound with the chemical formula. It is a yellow-brown powder at room temperature. Chemically, acetylpyrazine is a pyrazine and a ketone.

Natural occurrence
Acetylpyrazine is found in foods such as seeds, nuts and meats.

Uses
It is used in frozen dairy products such as ice cream.

It is considered generally recognized as safe by the U.S. Food and Drug Administration.

"Essence formula for increasing cigarette fragrance and improving smoke quality".

It is also known to be part of the formulation of e-cigarettes (vapes):

Synthesis
Note that modern synthesis is for 2-cyanopyrazine from 2-methylpyrazine [109-08-0]. Pyrazinamide [98-96-4] (1) 2-Cyanopyrazine [19847-12-2] (2)

More modern syntheses have also been reported in recent years: