Pentamidine (Free Base)

Pentamidine is an aromatic diamidine compound explicitly under HTS 2925.29.10.00 as an imine-function derivative, used as an antiparasitic drug for treating Pneumocystis pneumonia. It qualifies as a separate chemically defined organic compound in this imines heading.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+35.0%41.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

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

2921.59Lower: 16.5% vs 41.5%

If emphasized as saturated acyclic monoamine

Amine compounds heading if imine not principal function, per chapter note on nitrogen functions.

2935Lower: 16.5% vs 41.5%

If containing sulfonamide group impurity

Sulfonamides take precedence in numerical order over imines for certain derivatives.

3003.90.01Lower: Free vs 41.5%

If bulk mixed with excipients for med production

Medicinal mixtures in bulk for further manufacture classified in chapter 30, not pure chemicals.

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Import Tips & Compliance

Check DEA scheduling for controlled substance analogs; provide USP/EP grade certificates

Use temperature-controlled shipping to maintain stability during import

Related Products under HTS 2925.29.10.00

N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine

This is a specific aromatic imine-function compound listed explicitly under HTS 2925.29.10.00, featuring a formamidine structure with a 4-chloro-o-tolyl group and N,N-dimethyl substitution. It falls under this code as a chemically defined derivative of imines used primarily in pharmaceutical or veterinary synthesis.

Bunamidine Hydrochloride

Bunamidine hydrochloride is an anthelmintic drug explicitly named in HTS 2925.29.10.00, classified as an aromatic imine derivative and salt thereof. It is used in veterinary medicine for treating intestinal worms in animals, fitting chapter 29 for separate chemically defined compounds.

N'-(4-Chloro-o-tolyl)-N,N-dimethylformamidine USP Grade

USP-grade version of this specific aromatic formamidine intermediate, listed in HTS 2925.29.10.00 for its imine-function structure. Used in synthesis of veterinary pharmaceuticals, it adheres to chapter 29 for pure organic compounds.

Bunamidine Hydrochloride Powder 98% Pure

High-purity (98%) powder form of bunamidine hydrochloride, explicitly named in HTS 2925.29.10.00 as an aromatic imine salt for veterinary deworming agents. Classified here as a chemically defined salt derivative.

Pentamidine Isethionate Equivalent Base

The free base form of pentamidine, listed under HTS 2925.29.10.00 for its aromatic imine-function, serving as API for antiprotozoal treatments. Meets chapter criteria for pure organic imines.

Bunamidine Hydrochloride BP Veterinary Grade

British Pharmacopoeia (BP) grade bunamidine hydrochloride, explicitly in HTS 2925.29.10.00 as an imine salt for animal health applications. Pure form fits subchapter for imine derivatives.