Choline Theophyllinate from Japan
Choline theophyllinate is a quaternary ammonium salt of theophylline for gastric protection. Classified HTS 2939.59.00.00 following parent alkaloid per salt classification rules. Highly soluble for oral solutions.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Quat salt conductivity testing; no choline bitartrate confusion; bulk only, no retail packs