Pyridoxine Hydrochloride (Vitamin B6)
Pyridoxine HCl, a pyridine derivative, serves as the pharmaceutical form of vitamin B6 for treating deficiencies and nausea in pregnancy. Under HTS 2933.39.41.00 for its unfused pyridine ring and drug status per Chapter 29 scope. Bulk powder meets chemically defined compound requirements.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If food supplement applications
Vitamin forms for nutrition fall under heading 2936 vitamin provisions.
If in multivitamin tablets
Dosage forms are Chapter 30 medicaments regardless of pyridine content.
If free base without HCl salt
Amino alcohol function may take precedence if not specifically drug-identified.
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Import Tips & Compliance
• Certificate of Analysis must confirm hydrochloride salt form and pyridine ring integrity
• Distinguish from food supplement grade via therapeutic dosing documentation
• Light-sensitive; include stability packaging data to prevent degradation claims
Related Products under HTS 2933.39.41.00
Nicotine Bitartrate Dihydrate
Nicotine bitartrate dihydrate is a heterocyclic compound containing a pyridine ring, used primarily as a drug in smoking cessation aids and nicotine replacement therapies. It falls under HTS 2933.39.41.00 as a drug featuring an unfused pyridine ring structure within Chapter 29's scope for chemically defined organic compounds. This classification applies to its pharmaceutical grade purity and medicinal application.
Pyridine-3-Carboxylic Acid (Niacin)
Niacin, or vitamin B3, is a pyridine derivative used as an essential drug for treating pellagra and managing dyslipidemia. Classified under HTS 2933.39.41.00 due to its unfused pyridine ring and status as a pharmaceutical drug within Chapter 29. Bulk USP-grade niacin powder qualifies as a chemically defined heterocyclic compound.
4-Aminopyridine
4-Aminopyridine is a pyridine derivative used as a potassium channel blocker in multiple sclerosis treatment (dalfampridine). It qualifies for HTS 2933.39.41.00 as a drug containing an unfused pyridine ring, meeting Chapter 29 criteria for nitrogen-heterocyclic compounds. Pharmaceutical grade material supports neurological therapeutic applications.
Isoniazid (Pyridine-4-Carboxylic Acid Hydrazide)
Isoniazid is a first-line antituberculosis drug featuring a pyridine carboxylic acid hydrazide structure. Classified in HTS 2933.39.41.00 as a drug with unfused pyridine ring under Chapter 29 heterocyclic provisions. Essential medicine status requires high purity bulk import form.
Ethionamide
Ethionamide, a thioamide derivative of pyridine-2-carboxylic acid, treats multidrug-resistant tuberculosis. Falls under HTS 2933.39.41.00 for its unfused pyridine ring and drug classification in Chapter 29. Bulk API form used in pharmaceutical manufacturing.
Metyrapone
Metyrapone, containing a methyl 1-(2-pyridyl)-1-propanone structure, inhibits cortisol synthesis in Cushing's syndrome treatment. HTS 2933.39.41.00 applies for its pyridine ring as a drug per Chapter 29 heterocyclic rules. Pharmaceutical bulk powder for API synthesis.