Cyclic Adenosine Monophosphate (cAMP) Sodium Salt from Japan
cAMP sodium salt is a key second messenger in cellular signaling pathways. HTS 2934.99.39.00 covers this aromatic heterocyclic nucleotide listed in U.S. note 3.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify cyclized structure via 31P-NMR spectroscopy data
• Store and ship at -80°C to preserve signaling activity
• Include phosphodiesterase stability test results