Products described in additional U.S. note 3 to section VI
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure: > Aromatic or modified aromatic: > Products described in additional U.S. note 3 to section VI
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified 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.
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.
Sulfathiazole Sodium Salt
Sulfathiazole sodium, a sulfonamide antibiotic with aromatic thiazole ring, falls under HTS 2934.10.10.00 per note 3. Used in veterinary pharmaceutical applications.
2-Aminothiazole-4-Acetic Acid
This thiazole derivative with amino and acetic acid functions on aromatic ring structure qualifies for HTS 2934.10.10.00. Key intermediate for cephalosporin antibiotic synthesis.