2-Pyrazinecarboxylic acid, methyl ester , its cas register number is 6164-79-0. It also can be called Methyl 2-pyrazinecarboxylate ; Methyl pyrazinecarboxylate ; Methyl pyrazinoate ; NSC 32337 ; Pyrazine-2-carboxylic acid, methyl ester ; Pyrazinoic acid methyl ester ; Pyrazinecarboxylic acid, methyl ester ; Methyl pyrazinecarboxylate .