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. It meets HTS 2914.69.21.00 criteria as a drug-specific quinone compound.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If provitamin classification
Heading 2936 takes precedence for vitamin K3 analogs over general quinones.
If in hormone medicinal doses
Tableted menadione for therapeutic use shifts to Chapter 30 medicaments.
If aromatic ketone blend
Mixtures with other ketones may classify under specified aromatic provisions.
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Import Tips & Compliance
• CoA must confirm menadione content without oxidation byproducts common in quinones
• FDA prior notice required if for human pharma; veterinary use needs separate filing
Related Products under HTS 2914.69.21.00
P-Quinone Pharmaceutical API
P-benzoquinone (1,4-benzoquinone) USP grade used in API synthesis for antimalarial and anticancer drugs. HTS 2914.69.21.00 applies as a simple quinone drug compound meeting Chapter 29 purity standards.
Coenzyme Q10 (Ubiquinone)
Coenzyme Q10 is a quinone derivative used as a dietary supplement and drug for cardiovascular health and energy production. It falls under HTS 2914.69.21.00 as a quinone classified specifically for drug use, meeting Chapter 29 requirements for separate chemically defined organic compounds with oxygen functions.
Menadione Sodium Bisulfite (Vitamin K3)
Menadione sodium bisulfite is a water-soluble quinone derivative used in pharmaceuticals for treating vitamin K deficiency and as a hemostatic agent. Classified under HTS 2914.69.21.00 as a drug-form quinone per Chapter 29 notes for oxygen-function organic compounds.
Anthraquinone Pharmaceutical Intermediate
Synthetic anthraquinone used as a key intermediate in producing anthracycline chemotherapy drugs like doxorubicin. It qualifies for HTS 2914.69.21.00 as a quinone 'drug' under Chapter 29 due to its specific pharmaceutical application and chemical definition.
1,4-Naphthoquinone USP Grade
1,4-Naphthoquinone is a quinone compound used in antifungal drugs and as a precursor for vitamin K analogs. It is classified under HTS 2914.69.21.00 as a drug due to its USP pharmaceutical grade and specific medicinal applications per Chapter 29.
Plumbagin (7-Methyljuglone)
Plumbagin is a naturally derived but synthetically produced naphthoquinone with anticancer and antimicrobial drug properties. Falls under HTS 2914.69.21.00 as a 'drug' quinone, being a chemically defined organic compound with oxygen function.