Methotrimeprazine (Levomepromazine)

Methotrimeprazine, or levomepromazine, is a phenothiazine with strong sedative and analgesic effects used in palliative care. Its hydrogenated phenothiazine ring-system (allowed per heading) fits HTS 2934.30.5000.

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.

2939.69.00.00Lower: Free vs 6.5%

If containing additional natural alkaloid structure

Certain alkaloid-phenothiazine hybrids classify later in Chapter 29 per note 3.

3815.90.50.00Higher: 40% vs 6.5%

If as reaction accelerator in rubber production

Industrial end-use phenothiazines may fall under Chapter 38 catalysts.

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Import Tips & Compliance

Optical purity certificates required for chiral centers in phenothiazine derivatives

Verify no hormone activity per heading 2937 note to avoid chapter shift

Customs often requires end-use statement distinguishing pharmaceutical vs research chemical