Vitamin B1 and its derivatives
Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives. > Alkaloids of rye ergot and their derivatives; salts thereof: > Vitamin B1 and its derivatives
Duty Rate (from China)
Subheadings
Products classified under Tariff item 2936.22.00
Benfotiamine Pharmaceutical Grade
Benfotiamine is a lipid-soluble derivative of thiamine (vitamin B1), designed to enhance bioavailability compared to standard water-soluble forms. It is used in pharmaceutical applications for the management of neuropathy and other conditions related to vitamin B1 deficiency. As a derivative of vitamin B1, it falls under tariff item 2936.22.00.
Fursultiamine Hydrochloride
Fursultiamine hydrochloride is a disulfide derivative of thiamine, formulated to provide prolonged action in treating vitamin B1 deficiency. It is used in injectable and oral pharmaceutical preparations. As a derivative of vitamin B1, it is classified under tariff item 2936.22.00.
Prosultiamine Vitamin B1 Derivative
Prosultiamine is a prodrug ester of thiamine that exhibits high lipid solubility, making it suitable for neurological applications. It is primarily used as a vitamin B1 derivative in therapeutic contexts. This product falls under tariff item 2936.22.00 as a derivative of vitamin B1.
Thiamine Allyl Disulfide
Thiamine allyl disulfide (TAD) is a lipophilic derivative of vitamin B1 that occurs naturally in garlic and is used in nutritional supplements. Despite its organo-sulfur structure, it functions primarily as a vitamin B1 derivative. It is classified under tariff item 2936.22.00.
Thiamine HCl API Pharmaceutical Bulk
Thiamine HCl API is an active pharmaceutical ingredient grade of thiamine hydrochloride, used by compounding pharmacies and manufacturers. It is a pure, unmixed derivative of vitamin B1. This product falls under tariff item 2936.22.00 as a chemically defined derivative of thiamine.
Thiamine 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 derivative of thiamine. This product is classified under tariff item 2936.22.00.
Thiamine Mononitrate Powder
Thiamine mononitrate is a stable, non-hygroscopic derivative of vitamin B1, widely used in food fortification and multivitamin supplements. It is a synthetic derivative of thiamine. This product falls under tariff item 2936.22.00.
Thiamine Propyl Disulfide
Thiamine propyl disulfide (TPD) is a derivative of vitamin B1 with improved bioavailability for oral supplements. It is used in nutritional fortification and is stable in tablet matrices. This product is classified under tariff item 2936.22.00 as a synthetic vitamin B1 derivative.
Thiamine Pyrophosphate (TPP) Cofactor
Thiamine pyrophosphate (TPP) is the biologically active coenzyme form of vitamin B1, essential for carbohydrate metabolism. It is used primarily as a vitamin in biochemical and nutritional applications. This product falls under tariff item 2936.22.00 as a thiamine derivative.
Thiamine Tetrahydrofurfuryl Disulfide (TTFD)
TTFD (thiamine tetrahydrofurfuryl disulfide) is an allithiamine-type derivative of vitamin B1 with superior transdermal absorption properties. It is used primarily as a vitamin derivative in nutritional supplements. This product is classified under tariff item 2936.22.00.