Cromolyn Sodium Nasal Solution from China
Mast cell stabilizer nasal spray preventing allergic rhinitis symptoms. Antiallergenic preparation under HTS 3002.90.52.20 for its prophylactic action against allergen-induced inflammation.
Duty Rate — China → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Validate spray plume geometry and droplet size for nasal delivery
• Ensure preservative-free claims match formulation