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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