Vitamin B1 and its derivatives
Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent. > Vitamins and their derivatives, unmixed: > Vitamin B1 and its derivatives
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2936.22
Benfotiamine Pharmaceutical Grade
Benfotiamine is a lipid-soluble derivative of thiamine (vitamin B1) with enhanced bioavailability, used primarily in pharmaceutical preparations for neuropathy and other conditions. It is a separate chemically defined organic compound that functions as a vitamin B1 derivative, falling under tariff item 2936.22.00.
2936.22.00Fursultiamine Hydrochloride
Fursultiamine hydrochloride is a disulfide derivative of thiamine with prolonged action, used in treatments for vitamin B1 deficiency. It is a chemically defined organic compound that acts as a vitamin B1 derivative, qualifying for tariff item 2936.22.00.
2936.22.00Prosultiamine Vitamin B1 Derivative
Prosultiamine is a prodrug ester of thiamine with high lipid solubility, used for neurological applications. It is a chemically defined organic compound that serves as a vitamin B1 derivative, fitting under tariff item 2936.22.00.
2936.22.00Thiamine Allyl Disulfide
Thiamine allyl disulfide is a lipophilic derivative of vitamin B1 found in garlic, used in nutritional supplements. It is a chemically defined organic compound that functions primarily as a vitamin B1 derivative, qualifying for tariff item 2936.22.00.
2936.22.00Thiamine HCl API Pharmaceutical Bulk
Thiamine HCl API is an active pharmaceutical ingredient grade thiamine hydrochloride used in compounding and manufacturing. It is a chemically defined organic compound and a derivative of vitamin B1, falling under tariff item 2936.22.00.
2936.22.00Thiamine Hydrochloride USP
Thiamine hydrochloride is the most common salt form of vitamin B1, a water-soluble derivative used primarily as a vitamin supplement. It is a chemically defined organic compound that qualifies under tariff item 2936.22.00 as a vitamin B1 derivative.
2936.22.00Thiamine Mononitrate Powder
Thiamine mononitrate is a stable, non-hygroscopic derivative of vitamin B1 used in food fortification and multivitamin supplements. It is a chemically defined organic compound that functions as a vitamin B1 derivative, fitting under tariff item 2936.22.00.
2936.22.00Thiamine Propyl Disulfide
Thiamine propyl disulfide is a derivative of vitamin B1 with improved bioavailability for oral supplements. It is a chemically defined organic compound that functions primarily as a vitamin B1 derivative, qualifying for tariff item 2936.22.00.
2936.22.00Thiamine Pyrophosphate (TPP) Cofactor
Thiamine pyrophosphate is the biologically active coenzyme form of vitamin B1, essential for carbohydrate metabolism. It is a chemically defined organic compound that functions as a vitamin B1 derivative, falling under tariff item 2936.22.00.
2936.22.00Thiamine Tetrahydrofurfuryl Disulfide (TTFD)
Thiamine tetrahydrofurfuryl disulfide is an allithiamine-type derivative of vitamin B1 with superior transdermal absorption properties. It is a chemically defined organic compound that functions primarily as a vitamin B1 derivative, qualifying for tariff item 2936.22.00.