Diethazine Hydrochloride

Diethazine hydrochloride, an older phenothiazine anticholinergic used for extrapyramidal symptoms. Qualifies under HTS 2934.30.27.00 as other drug of the phenothiazine class.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%6.5%
🇲🇽Mexico6.5%6.5%
🇨🇦Canada6.5%6.5%
🇩🇪Germany6.5%6.5%
🇯🇵Japan6.5%6.5%

Alternative Classifications

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

3002.13.00Lower: Free vs 6.5%

If immunological diagnostic use

Phenothiazines in antisera or blood fractions classify under Chapter 30.

2933.59.95.00Same rate: 6.5%

If other anticholinergic heterocycles

Non-phenothiazine ring anticholinergics classify under different 2933 subheadings.

2921.49Higher: 16.5% vs 6.5%

If amine function classification

Quaternary ammonium compounds alternative if anticholinergic action predominates.

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Import Tips & Compliance

Provide historical pharmacology references confirming non-antipsychotic primary indication

Include batch purity certificates excluding antipsychotic impurities

Monitor for orphan drug status affecting import documentation requirements

Related Products under HTS 2934.30.27.00

Promethazine Hydrochloride

Promethazine hydrochloride is a phenothiazine derivative used primarily as an antihistamine, antiemetic, and sedative drug. It contains a phenothiazine ring-system and falls under HTS 2934.30.27.00 as a chemically defined other drug of this class, distinct from antipsychotics like those in 2934.30.22.

Promethazine Theoclate

Promethazine theoclate, a salt form of promethazine with theophylline-8-chlorotheophyllinate, serves as an antiemetic medication. Classified under HTS 2934.30.27.00 per Chapter 29 note (C)(1) for salts of organic compounds following the base compound's heading.

Ethopropazine Hydrochloride

Ethopropazine hydrochloride is a phenothiazine anticholinergic used for Parkinson's disease symptoms. It qualifies under HTS 2934.30.27.00 as an 'other' phenothiazine drug, separate from antipsychotics.

Isothipendyl Hydrochloride

Isothipendyl hydrochloride, a phenothiazine antihistamine, is used for allergies and as a sedative. Falls under HTS 2934.30.27.00 as a non-antipsychotic phenothiazine drug per the heading's 'other drugs' provision.

Prochlorperazine Edisylate

Prochlorperazine edisylate, a phenothiazine antiemetic with some antipsychotic properties, is classified as 'other' under HTS 2934.30.27.00 when imported as bulk API rather than specifically listed antipsychotics.

Thiethylperazine Malate

Thiethylperazine malate is a phenothiazine derivative used exclusively as an antiemetic. It qualifies for HTS 2934.30.27.00 as an other phenothiazine drug, following Chapter 29 rules for acid salts.