Mepyramine, also known as pyrilamine, is a first generation antihistamine, targeting the H1 receptor. However, it rapidly permeates the brain often causing drowsiness. It also has anticholinergic properties. It is used in over-the-counter combination products to treat the common cold and menstrual symptoms. It is also the active ingredient of the topical antihistamine creams Anthisan and Neoantergan, sold for the treatment of insect bites, stings, and nettle rash.

CAS：91-84-9
中文别名：
英文别名：Pyranisamine;Anhistabs;N-[(4-methoxyphenyl)methyl]-N\',N\'-dimethyl-N-2-pyridinyl-1,2-ethanediamine;Dorantamin;Mepiramine;Antallergan;pyrilamine;Histapyran;N\'-[(4-methoxyphenyl)methyl]-N,N-dimethyl-N\'-pyridin-2-ylethane-1,2-diamine;Neoantergan;Antalergan;[13C]-Pyrilamine;Mepyramine(R);1,2-Ethanediamine, N-[(4-methoxyphenyl)methyl]-N‘,N‘-dimethyl-N-2-pyridinyl-;Mepyramine;
分子式：C17H23N3O
分子量：285.384
精确质量：285.184
Psa：28.6
Logp：2.6584

MDL号：MFCD00023451

沸点：201ºC at 5 MM HG