DL-Tyrosine
DL-Tyrosine is a synthetic aromatic amino acid with a phenolic oxygen function in addition to the carboxyl group. Despite the phenolic group, it is classified under tariff item 2922.49.00 as an 'other' amino-acid because the carboxyl function is the characteristic oxygen function.
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:
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Import Tips & Compliance
• Verify that the product is not put up in measured doses for retail sale, which would change classification
• Provide a detailed chemical analysis to confirm the phenolic and carboxyl groups
• If used in food or supplements, check CFIA requirements
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.