Purine Base (Adenine) from Germany
Adenine is a purine nucleobase with a fused pyrimidine-imidazole ring system containing four nitrogen hetero-atoms. Falls under HTS 2933.99.82 as other aromatic nitrogen heterocycles before nucleic acid provisions. Used in biochemical research and vitamin synthesis.
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
• Nucleic acid-free certification; biotech end-use declaration; HPLC purity reports