Sandoo Pharmaceutical is a pharmaceutical intermediates manufacturer, supplier of anti-allergic intermediates, active pharmaceutical intermediates , exporting and importing pharmaceutical intermediates, such as USA, Canada, England, French and so on.

Isoxepac cas no. 55453-87-7 and (3-dimethylaminopropyl)triphenylphospho-nium bromo hydrobromide cas no. 27710-82-3 are both key materials of Olopatadine hydrochloride, an anti-allergic medication. Olopatadine hydrochloride is a medication used to decrease the symptoms of allergic conjunctivitis and allergic rhinitis (hay fever).