Norfloxacin Base

Norfloxacin is a first-generation fluoroquinolone with a 4-quinolone nitrogen-heterocyclic nucleus used primarily for urinary tract infections. Falls under HTS 2933.99.46.00 as an aromatic anti-infective agent per Chapter 29 definitions.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China6.5%β€”6.5%
πŸ‡²πŸ‡½Mexico6.5%β€”6.5%
πŸ‡¨πŸ‡¦Canada6.5%β€”6.5%
πŸ‡©πŸ‡ͺGermany6.5%β€”6.5%
πŸ‡―πŸ‡΅Japan6.5%β€”6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2933.49Higher: 16.5% vs 6.5%

If nucleic acid derivative structure

Certain purine derivatives used as drugs classify under specific 2933.49 subheading.

2934.99.30.00Same rate: 6.5%

If contains additional heteroatoms like sulfur

Nucleic acid derivatives with phosphorus or sulfur classify under heading 2934.

Not sure which classification is right?

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Import Tips & Compliance

β€’ Provide complete synthesis route documentation for FDA review

β€’ Include heavy metals and genotoxic impurity testing results

β€’ Label clearly as 'API - Not for Direct Human Use' to avoid Chapter 30

Related Products under HTS 2933.99.46.00

Ciprofloxacin Hydrochloride

Ciprofloxacin hydrochloride is a synthetic fluoroquinolone antibiotic classified under HTS 2933.99.46.00 as an aromatic heterocyclic compound with nitrogen hetero-atoms used as an anti-infective agent. It features a quinolone ring system with piperazine substitution, meeting Chapter 29 criteria for chemically defined organic compounds.

Levofloxacin Hemihydrate

Levofloxacin hemihydrate is a broad-spectrum fluoroquinolone antibiotic featuring a bicyclic nitrogen-heterocyclic structure with carboxylic acid functionality. Classified under HTS 2933.99.46.00 as an aromatic anti-infective drug per Chapter 29 notes for chemically defined compounds.

Ofloxacin Anhydrous

Ofloxacin is a racemic fluoroquinolone antibiotic with a tricyclic nitrogen-heterocyclic structure acting against gram-positive and gram-negative bacteria. Classified in HTS 2933.99.46.00 as a chemically defined aromatic anti-infective per Chapter 29 scope.

Sparfloxacin Free Base

Sparfloxacin is a fourth-generation fluoroquinolone featuring a unique benzoxazine-quinolone nitrogen-heterocyclic system for respiratory infections. HTS 2933.99.46.00 classification applies to this aromatic anti-infective drug compound.

Gatifloxacin Sesquihydrate

Gatifloxacin sesquihydrate contains an 8-methoxyquinolone nitrogen-heterocyclic ring system effective against respiratory pathogens. As a chemically defined aromatic anti-infective, it properly classifies under HTS 2933.99.46.00.

Moxifloxacin Hydrochloride

Moxifloxacin hydrochloride features a unique 8-methoxy-3-azabicyclo[4.2.0]octyl substituted quinolone nitrogen-heterocycle. This respiratory fluoroquinolone classifies under HTS 2933.99.46.00 as an aromatic anti-infective agent.