Chlorpheniramine Maleate
Chlorpheniramine maleate is an antihistamine drug supplied as a salt of an aromatic amino-acid derivative. It is a separate chemically defined organic compound with an oxygen function, placing it in heading 29.22. As a salt of an amino-acid, it is classified under tariff item 2922.49.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is put up in measured doses or for retail sale
Section note 2 directs goods in measured doses or retail packings to heading 30.04, but if not, other heterocyclic compounds may apply.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is a pure, separate chemically defined compound; impurities are acceptable if they do not alter its identity
• Keep a certificate of analysis to support the tariff classification
• Verify whether the drug requires a Health Canada import licence under the Food and Drugs Act
Related Products under Tariff item 2922.49.00
2-Amino-3-chlorobenzoic acid methyl ester
2-Amino-3-chlorobenzoic acid methyl ester is an aromatic amino-acid ester with a chlorine substituent on the benzene ring. It is a separate chemically defined organic compound with both amino and ester oxygen functions, qualifying under tariff item 2922.49.00 as an 'other' amino-acid ester.
2-Ethylamino-5-Sulfobenzoic Acid
2-Ethylamino-5-sulfobenzoic acid is a substituted aromatic amino-acid with sulfonic acid as an additional function. It is a separate chemically defined organic compound with amino and carboxylic acid functions, classified under tariff item 2922.49.00 as an 'other' amino-acid.
3,5-Diaminobenzoic Acid
3,5-Diaminobenzoic acid is an aromatic compound with two amino groups and a carboxylic acid function. It is a separate chemically defined organic compound, classified under tariff item 2922.49.00 as an 'other' amino-acid.
3-(N-Ethylanilino)Propionic Acid Methyl Ester
3-(N-Ethylanilino)propionic acid methyl ester is an ester of an amino-acid derivative with an aromatic structure. It is a separate chemically defined organic compound with ester and amino functions, falling under tariff item 2922.49.00.
3-Nitro-L-Tyrosine
3-Nitro-L-tyrosine is a nitrated derivative of the amino acid tyrosine, used in oxidative stress research. It is a separate chemically defined organic compound with an oxygen function, classified under heading 29.22. The nitro group does not alter its classification as an oxygen-function amino-compound.
3-Nitrophenylalanine
3-Nitrophenylalanine is a nitro-substituted aromatic amino acid used in photocaging groups for photochemistry. It is a separate chemically defined organic compound with a single carboxyl (oxygen-function) group, qualifying it for classification under tariff item 2922.49.00 as an 'other' amino-acid.