Indole-3-Methanol
Indole-3-Methanol, also known as indole-3-carbinol, features a hydroxymethyl group attached to the indole ring. It is classified under tariff item 2933.99.00 as the heterocyclic structure takes precedence over the alcohol function. This compound is used in alkaloid total synthesis and as a dietary supplement precursor.
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 imported as a food supplement in retail packaging
Food preparations put up for retail sale fall under heading 21.06.
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
• Provide the CAS number (700-06-1) and purity certificate on the commercial invoice
• If the product is imported for use as a dietary supplement, verify whether it requires Health Canada approval
• Ensure the product is not put up in measured doses for retail sale
Related Products under Tariff item 2933.99.00
1,3,3-Trimethyl-2-Methyleneindoline
1,3,3-Trimethyl-2-methyleneindoline is an indoline derivative used as a key intermediate in the production of photochromic dyes and other specialty chemicals. As a heterocyclic compound with a nitrogen hetero-atom, it is classified under tariff item 2933.99.00.
1-Methylindole
1-Methylindole is a modified aromatic indole derivative with a methyl group at the nitrogen position, classified as a separate chemically defined organic compound with a nitrogen hetero-atom only. It falls under heading 29.33 as an 'other' heterocyclic compound. This compound is commonly used in organic synthesis for pharmaceutical and chemical applications.
2-Methylindole
2-Methylindole is a simple alkyl-substituted indole with methylation at position 2, classified as a separate chemically defined organic compound with a nitrogen hetero-atom only. It falls under heading 29.33 as an 'other' heterocyclic compound. This compound is used in perfume synthesis and as a pharmaceutical intermediate.
3-Acetylindole
3-Acetylindole contains a ketone functionality at position 3 of the indole structure, classified as a separate chemically defined organic compound with a nitrogen hetero-atom only. It falls under heading 29.33 as an 'other' heterocyclic compound, with the heterocycle taking precedence over the ketone classification. This compound is an important intermediate for alkaloid synthesis.
3-Aminocarbazole
3-Aminocarbazole is a carbazole derivative with an amino group substitution, maintaining the core heterocyclic nitrogen structure. It is used as an intermediate in pharmaceutical and dye synthesis and is classified under tariff item 2933.99.00.
4-Carbazoleboronic Acid
4-Carbazoleboronic acid retains the core carbazole heterocyclic structure with a boronic acid substitution. It is used as an intermediate in organic synthesis and is classified under tariff item 2933.99.00 as an organo-inorganic compound.