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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing purine structure as primary classification feature
Vitamin B1 derivatives with prominent purine moieties classified later in numerical order per chapter note
If formulated as finished dosage form like tablets or capsules
Completed pharmaceutical preparations fall under Chapter 30, not bulk chemicals of Chapter 29
If imported as part of vitamin premix with multiple additives
Mixtures exceeding simple chemical definitions classified as chemical preparations
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Import Tips & Compliance
• Verify USP or EP grade certification and provide Certificate of Analysis (CoA) confirming thiazole structure and purity >98%
• Ensure proper labeling as 'Products described in additional U.S. note 3 to section VI' for CBP clearance
• Avoid misclassification as finished vitamins (Chapter 30); ship as bulk chemical with stabilizer if needed
Related Products under HTS 2934.10.10.00
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.
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.
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.