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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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