Thiamine Pyrophosphate (TPP) Cofactor from Canada
Thiamine pyrophosphate is the biologically active coenzyme form of vitamin B1, essential for carbohydrate metabolism. It qualifies under HTS 2936.22.00.00 as a thiamine derivative used primarily as a vitamin in biochemical research and therapeutics. Primarily supplied as lyophilized powder for IV formulations.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include biotech end-use statement if for research to avoid pharmaceutical scrutiny
• Cold chain documentation required for lyophilized forms to maintain >95% activity
• Declare CAS number 154-87-0 on entry to facilitate chemical identification