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Promazine Synthesis Intermediate 2-(Trifluoromethyl)phenothiazine from Mexico

Specialty-grade 2-(Trifluoromethyl)phenothiazine used in multi-step synthesis of promazine-type antipsychotic medications. This exact chemical structure is enumerated under HTS 2934.30.12.00 within the phenothiazine ring-system provisions of heading 2934.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Declare intended downstream pharmaceutical use in CBP entry summary to support correct Chapter 29 classification

Maintain batch traceability documentation linking to cGMP manufacturing standards for audit purposes

Avoid bulk packaging over 25kg drums; smaller pharma-grade containers reduce contamination risks and classification challenges

Promazine Synthesis Intermediate 2-(Trifluoromethyl)phenothiazine from Mexico — Import Duty Rate | HTS 2934.30.12.00