Modified Aromatic DPP-4 Inhibitor Sitagliptin Phosphate from Mexico
Sitagliptin phosphate is a dipeptidyl peptidase-4 inhibitor with modified aromatic structure for diabetes. HTS 2942.00.05.00 applies to this chemically defined drug meeting aromatic criteria. Phosphate salt follows parent compound.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Phosphate salt classification per Chapter Note 5(C)(3)
• Include GLP-1 pathway efficacy data for drug status
• Monitor for enzyme classification conflicts with 3507