5-Methylpyrazin-2(1H)-one, with the CAS number 20721-17-9, is a heterocyclic organic compound characterized by a pyrazine ring substituted with a methyl group and a carbonyl group. This compound features a five-membered ring structure containing two nitrogen atoms, which contributes to its basicity and potential reactivity. It is typically a colorless to pale yellow solid, exhibiting moderate solubility in polar solvents such as water and alcohols. The presence of the carbonyl group enhances its reactivity, allowing it to participate in various chemical reactions, including nucleophilic additions and condensation reactions. 5-Methylpyrazin-2(1H)-one is of interest in the fields of medicinal chemistry and agrochemicals, as it may exhibit biological activity and serve as a building block for the synthesis of more complex molecules. Its stability and reactivity make it a valuable compound for research and development in organic synthesis.

5-methylpyrazin-2(1H)-one

20721-17-9: 2-Pyrazinol, 5-Methyl-, 5-Methylpyrazin-2-ol

CAS 20721-17-9: 5-methylpyrazin-2(1H)-one

2-Hydroxy-5-methylpyrazine

Ref: 54-OR40054

2(1H)-Pyrazinone, 5-methyl-

Ref: IN-DA002IWM

5-Methyl-2(1H)-pyrazinone

Ref: TR-M324900

2-Hydroxy-5-methylpyrazine

Ref: 10-F077046