Thiazole-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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ester is considered a derivative of another heterocyclic compound.
Other heterocyclic compounds may apply if the ester functionality changes classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is chemically defined and not a mixture
• Have a certificate of analysis
• Check if the ester is subject to any chemical import restrictions
Related Products under Tariff item 2934.10.00
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.
2-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.
2-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'.
2-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.
4-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.
4-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.