Purine from Germany
Purine is a fundamental aromatic heterocyclic compound forming the basis of adenine and guanine nucleobases. Falls under HTS 2934.99.44.00 as other aromatic heterocyclic compounds. Critical for nucleic acid research and pharmaceutical intermediates.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Submit structural formula and CAS (120-73-0) documentation to confirm classification as chemically defined compound
• Segregate from nucleosides/nucleotides to avoid Chapter 2934 nucleic acid headings
• Monitor for anti-dumping duties if sourced from specific countries