Penitrem A (tremortin) is a fungal neurotoxin found on ryegrass. It is produced by certain species of Aspergillus, Claviceps, and Penicillium. It inhibits potassium channels in smooth muscles. The maxi-channels targeted have their highest density in the cerebellar Purkinje cells.

CAS：12627-35-9
中文别名：
英文别名：Tremortin A;4-Methylhistamine dihydrochloride;
分子式：C37H44ClNO6
分子量：634.201
精确质量：633.286
Psa：107.47
Logp：5.6617

MDL号：MFCD00083465
RTECS号：RY7535000
PubChem号：24898385

密度：1.44 g/cm3
折射率：1.698
储存条件：2-8ºC

危险类别码：R26/27/28
危险品运输编码：UN 2811 6
危险类别：6.1(a)
包装等级：II
危险品标志：T+