Chapter 2938 — Customs Tariff Headings
Products classified under Tariff item 29.38
Buckwheat Rutin Extract 95%
Buckwheat Rutin Extract 95% is a high-purity extract standardized to contain 95% rutoside (rutin), a naturally occurring glycoside. It is classified under tariff item 2938.10.00 as a natural glycoside, meeting Chapter 29's definition of separate chemically defined organic compounds or products of heading 29.38.
2938.10.00Hydroxyethyl Rutin Ester
Hydroxyethyl Rutin Ester is an ester derivative of rutoside, produced synthetically from natural glycosides. It falls under tariff item 2938.10.00 as a derivative of rutoside, consistent with Chapter 29's scope covering esters of glycosides.
2938.10.00Rutin Methyl Ester
Rutin Methyl Ester is a synthetic methyl ester of rutoside, designed to improve lipophilicity for drug delivery. It is classified under tariff item 2938.10.00 as a rutoside derivative, per Chapter 29's rules on esters of glycosides.
2938.10.00Rutin Sodium Salt
Rutin Sodium Salt is the sodium salt of rutoside, a water-soluble glycoside used in injectable formulations. It falls under tariff item 2938.10.00 as a salt of rutoside, in line with Chapter 29's note on inorganic salts of organic compounds.
2938.10.00Rutin Trihydrate Crystals
Rutin Trihydrate Crystals are the hydrated form of rutoside, containing three water molecules for stability. They are classified under tariff item 2938.10.00 as rutoside, as hydration does not alter the chemical identity of the glycoside.
2938.10.00Rutoside (Rutin) Powder
Rutoside (Rutin) Powder is pure rutoside, a flavonoid glycoside extracted from plants like buckwheat and citrus fruits. It is classified under tariff item 2938.10.00 as a natural glycoside, meeting Chapter 29's definition of separate chemically defined organic compounds.
2938.10.00Troxerutin USP Grade
Troxerutin USP Grade is a hydroxyethyl derivative of rutin, semi-synthetically produced for enhanced bioavailability. It falls under tariff item 2938.10.00 as a rutoside derivative, consistent with Chapter 29's coverage of glycoside derivatives.
2938.10.00Venoruton (O-(Beta-Hydroxyethyl)-Rutosides)
Venoruton is a standardized mixture of hydroxyethylrutosides derived from rutin, used medically for chronic venous insufficiency. It is classified under tariff item 2938.10.00 as rutoside derivatives, adhering to Chapter 29's rules on mixtures of isomers of the same organic compound.
2938.90.00Amygdalin
Amygdalin is a cyanogenic glycoside naturally found in apricot kernels and bitter almonds. It is classified under tariff item 2938.90.00 as a glycoside, whether natural or reproduced by synthesis, and is primarily used as a research chemical.
2938.90.00Arbutin (Hydroquinone-β-D-Glucopyranoside)
Arbutin is a hydroquinone glucoside extracted from bearberry leaves and is widely used in cosmetics as a skin-lightening agent and as a pharmaceutical intermediate. As a glycoside, it falls under tariff item 2938.90.00 for other glycosides.
2938.90.00Astragaloside IV
Astragaloside IV is a cycloartane glycoside derived from Astragalus membranaceus, known for its immunomodulatory properties in traditional medicine. It is classified under tariff item 2938.90.00 as a glycoside, natural or synthetic.
2938.90.00Baicalin
Baicalin is a flavone glucuronide from Scutellaria baicalensis, used for its anti-inflammatory effects in traditional Chinese medicine. As a glycoside derivative, it is classified under tariff item 2938.90.00.
2938.90.00Escin (Aescin)
Escin, also known as aescin, is a mixture of triterpene saponin glycosides from horse chestnut, used for venous insufficiency and anti-inflammatory applications. It falls under tariff item 2938.90.00 as a glycoside.
2938.90.00Genistein
Genistein is an isoflavone glycoside found in soybeans, used in dietary supplements for its phytoestrogenic properties. It is classified under tariff item 2938.90.00 as a glycoside derivative.
2938.90.00Hyperoside (Quercetin-3-O-Galactoside)
Hyperoside, or quercetin-3-O-galactoside, is a flavonoid glycoside from Hypericum perforatum, used as a standardized marker for St. John's Wort quality control. It is classified under tariff item 2938.90.00.
2938.90.00Luteolin-7-O-Glucoside
Luteolin-7-O-glucoside is a flavone glycoside from vegetables and herbs, used as an antioxidant standard and nutraceutical ingredient. It falls under tariff item 2938.90.00 as a glycoside.
2938.90.00Mangiferin
Mangiferin is a xanthone C-glucoside from mango leaves, known for its antioxidant and anti-inflammatory properties. It is classified under tariff item 2938.90.00 as a glycoside.
2938.90.00Oleuropein
Oleuropein is a secoiridoid glycoside from olive leaves, used in cardiovascular health supplements and as an analytical standard. It falls under tariff item 2938.90.00 as a glycoside.
2938.90.00Quercetin-3-O-Glucoside
Quercetin-3-O-glucoside is a flavonoid glycoside from onions and apples, used as an antioxidant in nutraceuticals and functional foods. It is classified under tariff item 2938.90.00 as a glycoside derivative.
2938.90.00Salidroside
Salidroside is a phenyl ethanol glycoside from Rhodiola rosea, used as a key active in adaptogenic supplements for stress relief. It falls under tariff item 2938.90.00 as a glycoside.
2938.90.00Sennoside A
Sennoside A is a dianthrone glycoside from senna leaves, primarily used in laxative formulations and as a standardization reference. It is classified under tariff item 2938.90.00 as a glycoside.
2938.90.00Stevioside
Stevioside is a diterpene glycoside from Stevia rebaudiana, used as a natural zero-calorie sweetener. It falls under tariff item 2938.90.00 as a glycoside.
2938.90.00Verbascoside (Acteoside)
Verbascoside, also known as acteoside, is a phenylethanoid glycoside from Plantago lanceolata, used in wound healing and anti-inflammatory products. It is classified under tariff item 2938.90.00 as a glycoside.