</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Thiazole-4-Carboxylic Acid Ethyl Ester from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Provide NMR/GC-MS spectra confirming thiazole ring integrity and ester purity

Use HDPE drums with nitrogen blanketing for oxidative-sensitive compounds

Include downstream synthesis declaration to justify chemical intermediate status