Fexofenadine Hydrochloride
Fexofenadine hydrochloride, a carboxylic acid derivative antihistamine, contains piperidine and aromatic rings with nitrogen hetero-atoms. It is imported as the active ingredient for allergy medications under HTS 2933.99.26.00.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by amino acid function
Imidazole derivatives may shift to Chapter 29 amino function headings.
If in bulk medicinal form for repackaging
Bulk medicaments not for retail are in Chapter 30.
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Import Tips & Compliance
• Submit Type II DMF to FDA prior to importation for bulk APIs
• Verify chiral purity if enantiomer-specific to avoid racemic mixture issues
• Use temperature-controlled shipping to maintain API stability
Related Products under HTS 2933.99.26.00
Cetirizine Hydrochloride
Cetirizine hydrochloride is a second-generation antihistamine used primarily for treating allergic rhinitis and urticaria. It features a piperazine heterocyclic ring with nitrogen hetero-atoms and an aromatic structure, classifying it under HTS 2933.99.26.00 as an aromatic antihistamine drug.
Loratadine
Loratadine is a tricyclic antihistamine with nitrogen-containing heterocyclic rings, used for allergy relief without causing drowsiness. Its aromatic modified structure qualifies it as an antihistamine drug under HTS 2933.99.26.00.
Desloratadine
Desloratadine, an active metabolite of loratadine, is a potent H1-receptor antagonist with tricyclic nitrogen-heterocyclic structure. As an aromatic antihistamine drug, it falls under HTS 2933.99.26.00.
Levocetirizine Dihydrochloride
Levocetirizine dihydrochloride is the R-enantiomer of cetirizine, featuring piperazine nitrogen hetero-atoms in an aromatic framework. Classified as an antihistamine drug under HTS 2933.99.26.00.
Rupatadine Fumarate
Rupatadine fumarate is a dual antihistamine/PAF antagonist with nitrogen-heterocyclic and aromatic components. It qualifies as an antihistamine drug under HTS 2933.99.26.00 per chapter notes on salts.
Bilastine
Bilastine is a novel antihistamine with piperidine nitrogen hetero-atom in its aromatic heterocyclic structure, used for allergic rhinoconjunctivitis. It is specifically covered as an antihistamine drug in HTS 2933.99.26.00.