Tetramethylpyrazine
A specific pyrazine derivative explicitly listed under HTS 2933.99.1200, featuring a six-membered aromatic nitrogen heterocycle. Used as a flavoring agent in food and in pharmaceutical formulations for circulatory disorders. Its precise chemical structure matches the tariff nomenclature.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other pyrazine derivatives not listed
Specific naming requirement for 2933.99.1200 subcategory.
If in food flavor mixtures for retail
Flavor preparations classified by use in Chapter 33.
If pharmaceutical grade in bulk mixtures
Chemical preparations for pharma use go to Chapter 38.
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Import Tips & Compliance
• FEMA GRAS status documentation for food flavor use
• Specify intended use (food vs pharma) on commercial invoice
• CoA required confirming synthetic origin vs natural extract
Related Products under HTS 2933.99.12.00
6-Bromo-5-methyl-1H-imidazo[4,5-b]pyridine
This is a specific aromatic heterocyclic compound containing nitrogen hetero-atoms only, explicitly listed in HTS 2933.99.1200. It is used as a pharmaceutical intermediate in the synthesis of antiviral and anticancer drugs. Its fused imidazole-pyridine ring structure qualifies it for classification under this subcategory of Chapter 29.
2,4-Di-tert-butyl-6-(benzotriazol-2-yl)phenol
A specific benzotriazole UV stabilizer explicitly named in HTS 2933.99.1200, featuring aromatic nitrogen heterocycles. Used in plastics, coatings, and adhesives to prevent UV degradation. The phenolic structure with fused triazole ring places it in this exact subcategory.
dl-Tryptophan
The synthetic racemic form of the essential amino acid tryptophan, explicitly listed under HTS 2933.99.1200 as an aromatic nitrogen heterocyclic compound. Used in nutritional supplements, animal feed, and pharmaceutical intermediates. Its indole ring structure qualifies it for this specific subcategory.
2-Phenylbenzimidazole
A specific aromatic imidazole derivative explicitly listed in HTS 2933.99.1200, containing only nitrogen hetero-atoms. Used as a UV absorber in cosmetics, plastics, and pharmaceuticals. The fused benzene-imidazole structure determines its precise classification.
Vinylcarbazole Monomer
N-Vinylcarbazole monomer, explicitly listed in HTS 2933.99.1200 as an aromatic nitrogen heterocyclic compound. Polymerized to form polyvinylcarbazole used in photoreceptors, electronics, and optical applications. The carbazole ring with vinyl group determines classification.
2-Methylmercaptobenzimidazole
A specific benzimidazole derivative with organo-sulfur functionality, explicitly listed in HTS 2933.99.1200. Used as rubber vulcanization accelerator and corrosion inhibitor. Classified here rather than organo-sulfur heading 2930 per chapter notes.