Kopexil (INCI name diaminopyrimidine oxide, trade name Aminexil) is a chemical compound similar to minoxidil. Minoxidil was originally used to treat high blood pressure; a side effect was increased body hair. Both compounds have been used for therapy of alopecia. Kopexil is not approved for use as a drug in the United States or in Europe.

CAS：74638-76-9
中文别名：
英文别名：2,4-diaminopyrimidine 3-N-oxide;pyrimidine-2,4-diamine 3-oxide;Aminexil;2,4-Pyrimidinediamine,3-oxide (9CI);2,4-diaminopyrimidine-3oxide;2,4-pyrimidinediamine-3-oxide;
分子式：C4H6N4O
分子量：126.117
精确质量：126.054
Psa：90.39
Logp：0.8369

UNII：1756681479

密度：1.693g/cm3
沸点：475.5ºC at 760 mmHg
闪点：241.374ºC
折射率：1.742

海关编码：2933599090