Prosultiamine Vitamin B1 Derivative from Germany
Prosultiamine is a prodrug ester of thiamine with high lipid solubility for neurological applications. Falls under HTS 2936.22.00.00 as a derivative primarily used as vitamin B1 in therapeutics. Japanese pharmacopeia standard for B1 deficiency.
Duty Rate — Germany → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• NADA filing required if veterinary neurological use intended
• Provide hydrolysis rate data showing thiamine release profile
• Separate from cosmeceutical shipments to avoid Chapter 33 scrutiny