Purine Base from Germany
Purine (7H-imidazo[4,5-d]pyrimidine), the parent bicyclic nitrogen heterocycle of DNA/RNA bases. HTS 2933.99.9701 for unspecified nitrogen hetero-atom compounds used in biotech.
Duty Rate — Germany → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• NMR confirming unsubstituted purine; nucleosides go to 2934
• Biotech end-use statement prevents pharmaceutical reclassification
• RNase-free certification for molecular biology grade