Products described in additional U.S. note 3 to section VI
Heterocyclic compounds with oxygen hetero-atom(s) only: > Lactones: > Other: > Aromatic: > Other: > Other: > Products described in additional U.S. note 3 to section VI
Duty Rate (from China)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2932.20.30.00
Ascorbic Acid (Vitamin C)
Ascorbic acid is a water-soluble vitamin classified as an aromatic lactone under HTS 2932.20.3000 due to its heterocyclic structure with oxygen hetero-atom in a lactone ring. It meets the criteria in additional U.S. note 3 to section VI for specific organic compounds.
Ascorbyl Palmitate
Ascorbyl palmitate is a fat-soluble antioxidant ester of ascorbic acid, featuring the characteristic lactone ring structure. Classified under HTS 2932.20.3000 as an aromatic lactone per additional U.S. note 3. Used in food preservation and cosmetics.
L-Ascorbic Acid 2-Glucoside
This stable vitamin C derivative features the ascorbic acid lactone ring glycosylated at position 2. Classified as aromatic lactone under HTS 2932.20.3000 per U.S. note 3 specifications. Used in cosmetics for skin brightening.
Sodium Ascorbate
The sodium salt of ascorbic acid maintains the core lactone structure required for HTS 2932.20.3000 classification. Meets additional U.S. note 3 criteria as chemically defined organic compound with stabilizer. Pharmaceutical and food grade applications.
Calcium Ascorbate
Calcium salt of ascorbic acid featuring the characteristic aromatic lactone ring. Classified under HTS 2932.20.3000 per additional U.S. note 3 for section VI products. Used in supplements and as dough conditioner.
Magnesium Ascorbyl Phosphate
Stable vitamin C derivative with phosphate and magnesium, retaining ascorbic lactone core. HTS 2932.20.3000 classification due to aromatic lactone meeting U.S. note 3. Skincare and pharmaceutical applications.
Tetrahexyldecyl Ascorbate
Oil-soluble ascorbic acid ester with very long-chain alcohol, preserving lactone structure. Classified HTS 2932.20.3000 as aromatic lactone per U.S. note 3. Premium cosmetic ingredient.
Ethyl Ascorbic Acid
Ethyl ether derivative of ascorbic acid maintaining lactone ring integrity. HTS 2932.20.3000 aromatic lactone classification per additional U.S. note 3. Cosmetic penetration enhancer.
Ascorbyl Tetraisopalmitate
Tetra-esterified ascorbic acid with isopalmitic acid chains, lactone preserved. Advanced cosmetic vitamin C derivative under HTS 2932.20.3000 per U.S. note 3. High skin penetration.
Phosphatidyl Ascorbate
Phospholipid conjugate of ascorbic acid featuring intact lactone ring. Classified HTS 2932.20.3000 as aromatic lactone meeting U.S. note 3 criteria. Liposomal delivery applications.