Tecastemizole 是 H1 受体的选择性拮抗剂，是阿司咪唑的主要代谢产物，具有抗炎作用。

Tecastemizole is a selective antagonist of H1 receptor and a major metabolite of astemizole with anti-inflammatory effects.

75970-99-9

C19H21FN4

324.4

R-43512;R 43512;R43512;T 1348;Norastemizole

DMSO:95 mg/mL?(292.85 mM),ultrasonic and warming and heat to 60°C
Powder: -20°C for 3 years
In solvent: -80°C for 2 years