Alcaftadine 是一种 H1 组胺受体拮抗剂，用于预防与过敏性结膜炎相关的瘙痒。它是一种广谱抗组胺剂，对组胺H1和H2受体具有高亲和力，对H4受体的亲和力较低，还具有调节免疫细胞募集和肥大细胞稳定的作用。

Alcaftadine is an H1 histamine receptor antagonist indicated for the prevention of itching associated with allergic conjunctivitis.

147084-10-4

C19H21N3O

307.39

Lastacaft;阿卡他定;R89674

Ethanol:61 mg/mL (198.44 mM)
DMSO:28 mg/mL (91.09 mM)
H2O:<1 mgml
Powder: -20°C for 3 years
In solvent: -80°C for 2 years