Alcaftadine is a novel antihistamine for preventing allergic conjunctivitis.

147083-93-0

C19H21N3O2

323.39

Alcaftadine carboxylic acid

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years