Pyrimethamine
C12H13ClN4
248.71
2,4-Pyrimidinediamine, 5-(4-chlorophenyl)-6-ethyl-.
2,4-Diamino-5-(p-chlorophenyl)-6-ethylpyrimidine [58-14-0]
2,4-Pyrimidinediamine, 5-(4-chlorophenyl)-6-ethyl-.
2,4-Diamino-5-(p-chlorophenyl)-6-ethylpyrimidine [58-14-0]
» Pyrimethamine contains not less than 99.0 percent and not more than 101.0 percent of C12H13ClN4, calculated on the dried basis.