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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%+106.0%112.5%
🇲🇽Mexico6.5%+103.5%110%
🇨🇦Canada6.5%+103.5%110%
🇩🇪GermanyFree+18.5%18.5%
🇯🇵JapanFree+21.0%21%

Alternative Classifications

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

2939.69.00.00Lower: 100% vs 112.5%

If containing additional natural alkaloid structure

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

3815.90.50.00Lower: 42.5% vs 112.5%

If as reaction accelerator in rubber production

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

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

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