Other

1,2,5,8-Tetrahydroxyanthraquinone (Quinizarin)

Quinizarin (1,2,5,8-tetrahydroxyanthraquinone) is an anthraquinone derivative with four hydroxy groups. It is classified under tariff item 2914.61.00 as a quinone with other oxygen functions, and is primarily used as an intermediate in the production of disperse dyes.

1,4-Diaminoanthraquinone

1,4-Diaminoanthraquinone is an anthraquinone derivative with two amino groups. It is classified under tariff item 2914.61.00 as a quinone, despite the presence of nitrogen functions, and is used in the synthesis of reactive blue dyes.

1,5-Dihydroxyanthraquinone (Anthrarufin)

Anthrarufin (1,5-dihydroxyanthraquinone) is an anthraquinone derivative with hydroxy groups at positions 1 and 5. It is classified under tariff item 2914.61.00 as a quinone with other oxygen functions, and is used in dye synthesis and pharmaceutical applications.

1,8-Dihydroxyanthraquinone (Chrysazin)

Chrysazin (1,8-dihydroxyanthraquinone) is an anthraquinone derivative with hydroxy groups at positions 1 and 8. It is classified under tariff item 2914.61.00 as a quinone with other oxygen functions, and is used in analytical chemistry and as a dye precursor.

1-Aminoanthraquinone

1-Aminoanthraquinone is an anthraquinone derivative with an amino group at position 1. It is classified under tariff item 2914.61.00 as a quinone, despite the nitrogen function, and is a critical intermediate for azo dye and pigment production.

1-Nitroanthraquinone

1-Nitroanthraquinone is a nitrated derivative of anthraquinone with a nitro group at position 1. It is classified under tariff item 2914.61.00 as a nitrated quinone derivative, and is used as an intermediate in the production of dyes and pharmaceuticals.

2-Chloroanthraquinone

2-Chloroanthraquinone is a halogenated derivative of anthraquinone with a chlorine atom at position 2. It is classified under tariff item 2914.61.00 as a halogenated quinone, and is used in the synthesis of chloro-substituted dyes and pharmaceuticals.

2-Sulfoanthraquinone

2-Sulfoanthraquinone is a sulfonated derivative of anthraquinone with a sulfonic acid group at position 2. It is classified under tariff item 2914.61.00 as a sulfonated quinone derivative, and is a key intermediate in dye manufacturing.

Anthraquinone

Anthraquinone is a yellow crystalline solid with a characteristic quinone structure containing two carbonyl groups in a fused ring system. It is classified under tariff item 2914.61.00 as a quinone, and serves as a fundamental intermediate in the production of dyes, paper pulp, and other chemicals.

Anthraquinone-2-sulfonic Acid

Anthraquinone-2-sulfonic acid is a sulfonated derivative of anthraquinone in its free acid form. It is classified under tariff item 2914.61.00 as a sulfonated quinone derivative, and is essential for the production of direct and reactive dyes.

Bromaminic Acid (1-Amino-4-bromoanthraquinone-2-sulfonic Acid)

Bromaminic acid (1-amino-4-bromoanthraquinone-2-sulfonic acid) is a complex derivative of anthraquinone with amino, bromo, and sulfonic acid functions. It is classified under tariff item 2914.61.00 as a substituted quinone, and is key for the production of brominated reactive dyes.

Sodium 2-Anthraquinonesulfonate

Sodium 2-anthraquinonesulfonate is the sodium salt of 2-anthraquinonesulfonic acid. It is classified under tariff item 2914.61.00 per Chapter 29 note on inorganic salts of organic compounds, and is used in the manufacturing of reactive dyes and as a chemical intermediate.

Bulk CoQ10 for Cosmetic Use

High-purity Coenzyme Q10 (ubidecarenone) in bulk form, intended for use in anti-aging cosmetic formulations. Despite the cosmetic end-use, the product is a separate chemically defined organic compound of heading 29.14, specifically a quinone, and is classified under tariff item 2914.62.00 as Coenzyme Q10.

Coenzyme Q10 Powder USP Grade

Coenzyme Q10 in fine powder form, meeting USP standards for use in dietary supplements. As a separate chemically defined organic compound (a quinone), it falls under heading 29.14 and is specifically named in tariff item 2914.62.00 as Coenzyme Q10 (ubidecarenone).

Coenzyme Q10 with Stabilizer Additive

Coenzyme Q10 powder with a food-grade stabilizer added for preservation during transport. Under Chapter 29 Note 1(f), the addition of a stabilizer necessary for preservation or transport does not remove the product from the chapter, so it remains classified as Coenzyme Q10 under tariff item 2914.62.00.

CoQ10 Fermentation-Derived Powder

Coenzyme Q10 produced by microbial fermentation, chemically identical to synthetic ubidecarenone. The production method does not affect classification; as a separate chemically defined quinone, it is classified under tariff item 2914.62.00 as Coenzyme Q10.

Kaneka Q10 Ubiquinol Form

Kaneka Q10 Ubiquinol is a reduced form of Coenzyme Q10, a quinone compound used primarily as a dietary supplement ingredient. It is classified under tariff item 2914.62.00 as ubidecarenone (INN), which includes the reduced ubiquinol form of this compound. This product is a separate chemically defined organic compound, qualifying under Chapter 29 of the Customs Tariff.

Pharmaceutical Grade Ubidecarenone API

Pharmaceutical grade Coenzyme Q10 active pharmaceutical ingredient (API) for use in drug formulations. As a separate chemically defined organic compound and a quinone, it is classified under tariff item 2914.62.00 as Coenzyme Q10, regardless of its pharmaceutical grade or intended use.

Ubidecarenone 98% Min Technical Grade

Technical grade Coenzyme Q10 with a minimum purity of 98%, intended for industrial supplement blending. The product is a separate chemically defined organic compound (ubidecarenone), and the technical grade does not affect its classification under tariff item 2914.62.00 as Coenzyme Q10.

Ubidecarenone 99% Pure Bulk

High-purity ubidecarenone (Coenzyme Q10) at 99% concentration, supplied in bulk drums for nutraceutical production. As a separate chemically defined quinone, it is specifically classified under tariff item 2914.62.00 as Coenzyme Q10, irrespective of the high purity or bulk packaging.

1,2-Naphthoquinone

1,2-Naphthoquinone is an ortho-quinone derivative of naphthalene with two adjacent carbonyl groups, used as an intermediate in pesticide and pharmaceutical synthesis. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

1,4-Benzoquinone (p-Quinone)

1,4-Benzoquinone (p-Quinone) is a yellow crystalline quinone used as an oxidizing agent in photographic developers and as a chemical intermediate. It is a separate chemically defined organic compound with a quinone structure, falling under the "Other" quinones of tariff item 2914.69.00.

1,4-Dihydroxyanthraquinone (Quinizarin)

1,4-Dihydroxyanthraquinone, also known as quinizarin, is a specific dihydroxy derivative of anthraquinone. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

1,4-Naphthoquinone

1,4-Naphthoquinone is a chemically defined quinone with the formula C10H6O2, featuring two carbonyl groups in a fused ring system. It is used as an intermediate in organic synthesis and pharmaceutical manufacturing. As a quinone without additional oxygen functions, it is classified under tariff item 2914.69.00 as an 'other' quinone.

1,4-Naphthoquinone USP Grade

1,4-Naphthoquinone USP Grade is a chemically defined quinone compound used as an intermediate in the synthesis of antifungal drugs and vitamin K analogs. Its high purity and pharmaceutical-grade designation align with the scope of Chapter 29 for separate chemically defined organic compounds. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

2,5-Dimethyl-1,4-benzoquinone

2,5-Dimethyl-1,4-benzoquinone is a simple alkyl-substituted quinone used in organic synthesis and as a biochemical probe. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

2-Ethylanthraquinone

2-Ethylanthraquinone is an alkylated anthraquinone used primarily as a key component in hydrogen peroxide production via the anthraquinone process. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

2-Ethylanthraquinone Flake Form

2-Ethylanthraquinone Flake Form is supplied in solid flake form for easier handling in industrial applications. The physical form does not affect chemical classification. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

2-Ethylanthraquinone with Identification Colorant

2-Ethylanthraquinone with Identification Colorant contains trace blue colorant for safety identification, as permitted by Chapter 29 Note 1(g). The colorant does not render the product particularly suitable for a specific use. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

2-Methyl-1,4-Naphthoquinone (Menadione)

Menadione (2-methyl-1,4-naphthoquinone) is a synthetic quinone used as a vitamin K3 precursor in animal feed and pharmaceutical applications. It is a chemically defined organic compound with a quinone structure. It is classified under tariff item 2914.69.00 as an 'other' quinone, distinct from hormone products of heading 29.37.

2-Methyl-1,4-Naphthoquinone (Vitamin K3)

2-Methyl-1,4-Naphthoquinone, also known as menadione or Vitamin K3, is a synthetic quinone used in pharmaceutical formulations for coagulation disorders. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

9,10-Phenanthraquinone

9,10-Phenanthraquinone is a tricyclic quinone with carbonyl groups at positions 9 and 10 of the phenanthrene skeleton, used in organic electronics and as a dye intermediate. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Anthraquinone-2-sulfonic Acid

Anthraquinone-2-sulfonic acid is a sulfonated quinone derivative used as an intermediate for disperse dyes and pharmaceuticals. The sulfonic acid group is a sulphonated derivative of the quinone, and the quinone function remains the primary characteristic. It is classified under tariff item 2914.69.00 as an 'other' quinone, with the sulfonation noted but not altering the core classification.

Anthraquinone-2-Sulfonic Acid Drug Form

Anthraquinone-2-Sulfonic Acid Drug Form is a sulfonated quinone derivative used as a pharmaceutical intermediate for sulfonamide drugs and therapeutic dyes. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Anthraquinone (9,10-Anthraquinone)

Anthraquinone (9,10-Anthraquinone) is a tricyclic quinone used in the production of dyes, pigments, and as a chemical intermediate. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Anthraquinone Pharmaceutical Intermediate

Anthraquinone Pharmaceutical Intermediate is a synthetic anthraquinone used as a key intermediate in producing anthracycline chemotherapy drugs like doxorubicin. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Chloranil (Tetrachloro-1,4-benzoquinone)

Chloranil (Tetrachloro-1,4-benzoquinone) is a tetrachloro derivative of 1,4-benzoquinone used as an oxidizing agent and pesticide intermediate. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Coenzyme Q10 (Ubiquinone)

Coenzyme Q10 (Ubiquinone) is a quinone derivative used as a dietary supplement and drug for cardiovascular health and energy production. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Coenzyme Q10 (Ubiquinone-10)

Coenzyme Q10 (Ubiquinone-10) is a polyprenylated benzoquinone used as a dietary supplement and in pharmaceutical formulations. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00 when not put up as a medicament.

Coenzyme Q9 (Ubiquinone-9)

Coenzyme Q9 (Ubiquinone-9) is a 9-isoprene unit benzoquinone used in biochemical research and as a nutritional supplement intermediate. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

High Purity Quinizarin for Dye Synthesis

High Purity Quinizarin for Dye Synthesis is pharmaceutical-grade 1,4-Dihydroxyanthraquinone (99.5% purity) used in manufacturing anthraquinone dyes and pigments. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Industrial Grade 2-Ethylanthraquinone for H2O2 Process

Industrial grade 2-ethylanthraquinone (CAS 84-51-5) is a chemically defined quinone used as a working catalyst in the hydrogen peroxide manufacturing process. It contains a minimal stabilizer necessary for safe transport, which is permitted under Chapter 29 Note 1(f). This product falls under tariff item 2914.69.00 as an 'other' quinone.

Juglone (5-Hydroxy-1,4-naphthoquinone)

Juglone (5-Hydroxy-1,4-naphthoquinone) is a hydroxy-naphthoquinone used in photographic chemicals and as a biochemical reagent. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Juglone Pharmaceutical Grade

Juglone Pharmaceutical Grade is a 1,4-naphthoquinone used in research drugs for its cytotoxic effects against cancer cells and pathogens. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Lawsone (2-Hydroxy-1,4-naphthoquinone)

Lawsone (2-Hydroxy-1,4-naphthoquinone) is a naphthoquinone used in natural dye-sensitized solar cells and alternative photographic processes. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Menadione Sodium Bisulfite (Vitamin K3)

Menadione Sodium Bisulfite (Vitamin K3) is a water-soluble quinone derivative used in pharmaceuticals for treating vitamin K deficiency and as a hemostatic agent. As a salt of an organic compound, it falls under Chapter 29, Note 5(C). It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Menadione (Vitamin K3)

Menadione (Vitamin K3) is a synthetic naphthoquinone used as a vitamin supplement and in animal feed. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00 when not put up as a medicament.

Naphthoquinone (1,4-Naphthoquinone)

1,4-Naphthoquinone is a quinone compound used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Plumbagin (5-Hydroxy-2-methyl-1,4-naphthoquinone)

Plumbagin (5-Hydroxy-2-methyl-1,4-naphthoquinone) is a naturally derived naphthoquinone used in niche photographic dyes and as a color former. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.

Plumbagin (7-Methyljuglone)

Plumbagin (7-Methyljuglone) is a naturally derived but synthetically produced naphthoquinone with anticancer and antimicrobial drug properties. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

P-Quinone Pharmaceutical API

P-Quinone Pharmaceutical API is p-benzoquinone (1,4-benzoquinone) USP grade used in API synthesis for antimalarial and anticancer drugs. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Purified Quinizarin for Organic Synthesis

Purified quinizarin (1,4-dihydroxyanthraquinone) at 99.8% purity is a chemically defined quinone with two hydroxyl groups. It is used as an intermediate in organic synthesis and fine chemical production. As a quinone with additional oxygen functions, it is classified under tariff item 2914.69.00 as an 'other' quinone.

Quinizarin with Anti-Caking Agent

Quinizarin with 0.2% silicon dioxide anti-caking agent is a chemically defined quinone with an added preservation additive. The anti-caking agent is necessary for preservation and does not render the product suitable for a specific use, as permitted by Chapter 29 Note 1(f). It is classified under tariff item 2914.69.00 as an 'other' quinone.

Rapinone (Dihydroxyacetonequinone)

Rapinone (Dihydroxyacetonequinone) is a trihydroxyacetonequinone used in topical drug formulations for skin conditions and as a self-tanning agent with pharmaceutical claims. As a separate chemically defined organic compound, it falls under Chapter 29. It is classified under tariff item 2914.69.00 as an 'Other' quinone, not elsewhere specified.

Toluquinone (2-Methyl-1,4-benzoquinone)

Toluquinone (2-Methyl-1,4-benzoquinone) is a methylated quinone derivative used in specialized photographic sensitizing solutions and as an intermediate in dye synthesis. It is a separate chemically defined organic compound with a quinone structure, classifiable under the "Other" quinones of tariff item 2914.69.00.