Sinapinic Acid from China
3,5-Dimethoxy-4-hydroxycinnamic acid used in MALDI-TOF matrices. HTS 2918.99.4700 unsaturated aromatic.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• MALDI matrix declaration
• Unsaturated bond spec