Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
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 > Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
Duty Rate (from China)
Products classified under Tariff item 2934.10
2-Aminothiazole
2-Aminothiazole is an aromatic heterocyclic compound with an unfused thiazole ring and an amino group at the 2-position. It is used primarily as a pharmaceutical intermediate. The structure directly matches tariff item 2934.10.00.
2934.10.002-Aminothiazole-4-Acetic Acid
2-Aminothiazole-4-acetic acid is a thiazole derivative featuring an amino group and an acetic acid moiety on the aromatic ring. It is a key intermediate in the synthesis of cephalosporin antibiotics, and its structure contains an unfused thiazole ring, qualifying it under tariff item 2934.10.00.
2934.10.002-Mercaptothiazoline
2-Mercaptothiazoline features a hydrogenated thiazole ring (thiazoline) with a mercapto group. It is used in rubber vulcanization. The hydrogenated thiazole ring is covered by tariff item 2934.10.00, which includes 'whether or not hydrogenated'.
2934.10.002-Methyl-4-Amino-5-Hydroxymethylpyrimidine Thiazole Intermediate
2-Methyl-4-amino-5-hydroxymethylpyrimidine thiazole intermediate is a key intermediate for thiamine synthesis. It contains an unfused thiazole ring and is used exclusively in pharmaceutical chemical manufacturing. The structure matches the description of tariff item 2934.10.00.
2934.10.004-Methylthiazole
4-Methylthiazole is a simple aromatic thiazole ring with a methyl substituent at the 4-position. It is used in flavor synthesis and pharmaceuticals. The unfused thiazole ring qualifies it under tariff item 2934.10.00.
2934.10.004-Methylthiazole Pharmaceutical Grade
4-Methylthiazole is an aromatic heterocyclic compound with an unfused thiazole ring and a methyl substituent at the 4-position. It is used as a building block in pharmaceutical API synthesis and flavor chemistry, and its structure directly matches the description of tariff item 2934.10.00.
2934.10.004-Phenylthiazole
4-Phenylthiazole consists of an aromatic thiazole ring with a phenyl substituent at position 4. It is used in materials science and pharmaceuticals. The unfused thiazole ring is the core structure, qualifying it under tariff item 2934.10.00.
2934.10.005-(2-Aminoethyl)-4-methylthiazole
5-(2-Aminoethyl)-4-methylthiazole is an intermediate in thiamine synthesis featuring a substituted aromatic thiazole ring with an aminoethyl side chain. It is chemically defined and contains an unfused thiazole ring, qualifying it under tariff item 2934.10.00.
2934.10.00Famotidine
Famotidine is an H2-receptor antagonist containing a thiazole ring linked to guanidine and imidazole moieties. It is used in medications for acid reflux. The unfused thiazole ring is a key structural feature, placing it under tariff item 2934.10.00.
2934.10.00Famotidine Active Pharmaceutical Ingredient
Famotidine is an active pharmaceutical ingredient containing an unfused thiazole ring in its structure. It is an H2-receptor antagonist used in medications for acid reflux and ulcers. The thiazole ring is a key structural feature, placing it under tariff item 2934.10.00.
2934.10.00Sulfathiazole Sodium Salt
Sulfathiazole sodium salt is a sulfonamide antibiotic with an aromatic thiazole ring. It is used in veterinary pharmaceutical applications. The sodium salt form is classified with the organic compound, and the unfused thiazole ring qualifies it under tariff item 2934.10.00.
2934.10.00Thiamine Hydrochloride Powder
Thiamine hydrochloride is the chloride salt of vitamin B1, featuring an aromatic thiazole ring. It is used in pharmaceutical manufacturing and animal feed fortification. The thiazole ring is unfused, and the salt is classified with the organic compound under tariff item 2934.10.00.
2934.10.00Thiamine Hydrochloride (Vitamin B1)
Thiamine hydrochloride contains a substituted pyrimidine-thiazolium structure with an unfused aromatic thiazole ring. It is classified as a vitamin but tariffed as its heterocyclic component. The thiazole ring qualifies it under tariff item 2934.10.00.
2934.10.00Thiamine Mononitrate USP
Thiamine mononitrate is a synthetic form of vitamin B1 containing an unfused thiazole ring. It is used in pharmaceutical and nutritional applications. The nitrate salt is classified with the organic compound, and the thiazole ring structure places it under tariff item 2934.10.00.
2934.10.00Thiazole-4-Carboxylic Acid Ethyl Ester
Thiazole-4-carboxylic acid ethyl ester is an aromatic thiazole derivative with an ester functional group. It serves as an intermediate in pharmaceutical and agrochemical synthesis. The unfused thiazole ring is the core structure, qualifying it under tariff item 2934.10.00.