Cinchonine Sulfate from Canada
Cinchonine sulfate is the sulfate salt of cinchonine alkaloid, used in analytical chemistry as alkaloid precipitant. Classified HTS 2939.20.0050 as other cinchona salt derivative. Typically 98%+ purity.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include melting point range (255-260°C) verification
• Provide GHS classification for acute toxicity handling