Ondansetron (CAS-99614-02-5) imported in dosage/tablet form. The subject product, Ondansetron is a medicinal preparation containing Ondansetron, a serotonin 5-HT3 receptor antagonist, as the active ingredient. It is indicated for the prevention of nausea and vomiting associated with both emetogenic cancer chemotherapy and radiation therapy.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N023969