Ethyl 2-(2-aminothiazol-4-yl)-2-methoxyiminoacetate from Japan
Key pharmaceutical intermediate with aminothiazole ring explicitly named in HTS 2934.10.70.00. Used in synthesis of third-generation cephalosporin antibiotics like cefotaxime. Qualifies as chemically defined thiazole heterocyclic under Chapter 29 notes.
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 synthetic pathway documentation linking to FDA-approved pharmaceuticals
• Include stability data for methoxyimino group during transport to prevent degradation claims
• Declare as pharmaceutical intermediate to qualify for potential duty exemptions or FTZs