Clofazimine Micronized Powder
Clofazimine is a riminophenazine with imidazole-like nitrogen heterocycle used for leprosy and mycobacterium avium treatment. Its aromatic structure qualifies under HTS 2933.29.35.00 per the specific U.S. note provisions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used primarily as fluorescent brightening agent
Chapter note 2(g) excludes synthetic luminophores from Chapter 29.
If classified by amine function
Amine-function compounds may classify under 2921 if not specifically heterocyclic.
If as anti-leprosy finished product
Therapeutic dosage forms classified in Chapter 30 by disease treatment.
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Import Tips & Compliance
• Special handling required due to photosensitivity; import under light-protected packaging
• Provide skin coloration risk assessment data for safety documentation
• Verify orphan drug status for potential duty exemptions or special programs
Related Products under HTS 2933.29.35.00
Metronidazole USP
Metronidazole is a nitroimidazole derivative used as an antibiotic and antiprotozoal agent for treating infections like bacterial vaginosis and trichomoniasis. It features an unfused imidazole ring in its aromatic structure, classifying it under HTS 2933.29.35.00 as a nitrogen-heterocyclic compound described in additional U.S. note 3 to section VI.
Tinidazole Powder
Tinidazole is a synthetic antiprotozoal and antibacterial agent with a nitroimidazole ring structure, used for treating amebiasis and giardiasis. As an aromatic heterocyclic compound with nitrogen hetero-atoms only, it falls under HTS 2933.29.35.00 per additional U.S. note 3.
Dimetridazole Technical Grade
Dimetridazole is a 5-nitroimidazole compound used in veterinary medicine for treating histomoniasis in poultry. Its unfused imidazole ring structure qualifies it as an aromatic heterocyclic under HTS 2933.29.35.00 as specified in additional U.S. note 3.
Ornidazole API
Ornidazole is a nitroimidazole antimicrobial used for treating anaerobic bacterial infections and protozoal diseases. This aromatic compound with unfused imidazole ring is classified under HTS 2933.29.35.00 pursuant to additional U.S. note 3 to section VI.
Niridazole Crystals
Niridazole is a nitrothiazole-imidazole hybrid used as an antischistosomal agent, featuring the required unfused imidazole ring. As a chemically defined aromatic heterocyclic compound, it falls under HTS 2933.29.35.00 described in additional U.S. note 3.
Imidazole-4-Carboxylic Acid
Imidazole-4-carboxylic acid is a key intermediate for pharmaceutical synthesis, featuring the unfused imidazole ring required by heading 2933. As an aromatic heterocyclic compound listed in additional U.S. note 3, it imports under HTS 2933.29.35.00.