2-Methyl-4-Amino-5-Hydroxymethylpyrimidine Thiazole Intermediate
This key intermediate for thiamine synthesis contains the required unfused aromatic thiazole ring structure under HTS 2934.10.10.00. Used exclusively in pharmaceutical chemical manufacturing processes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily by pyrimidine heterocyclic structure
Chapter notes require classification in heading occurring last in numerical order
If containing both sugar and nitrogen functions
Other organic compounds with additional note 3 qualifiers
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
• Include synthesis pathway documentation proving thiazole ring presence for classification verification
• Declare as 'chemical intermediate - not for direct food/pharma use' to avoid Chapter 30
• Monitor REACH compliance if transshipping through EU; provide SDS in English
Related Products under HTS 2934.10.10.00
Thiamine Mononitrate USP
Thiamine mononitrate is a synthetic form of vitamin B1 containing an unfused thiazole ring in its aromatic structure, classified under HTS 2934.10.10.00 as a heterocyclic compound described in additional U.S. note 3 to section VI. It is primarily used as a nutritional supplement in fortified foods and pharmaceuticals.
Thiamine Hydrochloride Powder
Thiamine hydrochloride, the chloride salt of vitamin B1, features an aromatic thiazole ring and falls under HTS 2934.10.10.00 per U.S. note 3 requirements. Used in pharmaceutical manufacturing and animal feed fortification.
Famotidine Active Pharmaceutical Ingredient
Famotidine API contains a thiazole ring in its aromatic structure, qualifying for HTS 2934.10.10.00 per section VI note 3. This H2-receptor antagonist is used in manufacturing acid reflux medications.
Ritodrine Hydrochloride
Ritodrine hydrochloride, a tocolytic agent with unfused thiazole ring, classified under HTS 2934.10.10.00. Used in pharmaceutical production for preterm labor treatment.
Thiazole-4-Carboxylic Acid Ethyl Ester
This aromatic thiazole derivative with ester functionality meets HTS 2934.10.10.00 criteria per U.S. note 3. Serves as intermediate for pharmaceutical and agrochemical synthesis.
4-Methylthiazole Pharmaceutical Grade
4-Methylthiazole, an aromatic heterocyclic compound with unfused thiazole ring, qualifies under HTS 2934.10.10.00. Used as building block in API synthesis and flavor chemistry.