Promethazine Theoclate from Mexico

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.

Duty Rate — Mexico → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Provide salt composition analysis to confirm classification with the phenothiazine base per Chapter 29 salt rules

Ensure import meets USP/EP pharmacopeia standards with stability data for theoclate salt form

Label clearly to prevent confusion with bulk promethazine HCl which may have different regulatory paths