?Methyl 3-amino-2-pyrazinecarboxylate , its cas register number is 16298-03-6. It also can be called Methyl 2-aminopyrazine-3-carboxylate ; methyl 3-amino-2-pyrazinecarboxylate ; methyl 3-aminopyrazine-2-carboxylate ; 3-aminopyrazine-2-carboxylic acid methyl ester ; methyl 3-aminopyrazinecarboxylate and so on. It is a?yellow crystalline powder.