ChemicalBull is a leading Supplier of Zafirlukast in Gujrat, India. Zafirlukast is used to cure asthma symptoms. It works by blocking the action of certain natural substances that cause swelling and tightening of the airways. The chemical formula of Zafirlukast is C31H33N3O6S and the Molecular weight is 575.68 g/mol. We deal with Zafirlukast in all major Pharma industries.