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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically used as a drug
Non-drug heterocyclic compounds fall under the general 'other' category.
If imported as finished tablets or capsules
Formulated medicaments containing antihistamines are classified in Chapter 30.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Require FDA approval and Drug Master File (DMF) submission for active pharmaceutical ingredients
• Ensure Certificate of Analysis (CoA) verifies purity >99% and absence of impurities
• Avoid misclassification as non-drug intermediates by providing clinical use documentation
Related Products under HTS 2933.99.26.00
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.
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.
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.