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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+93.5%100%
🇲🇽Mexico6.5%+93.5%100%
🇨🇦Canada6.5%+93.5%100%
🇩🇪Germany6.5%+8.5%15%
🇯🇵Japan6.5%+8.5%15%

Alternative Classifications

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

2939.59.00.00Same rate: 100%

If theophylline component predominates

Theophylline derivatives classified by caffeine/theophylline heading if not primarily phenothiazine-structured.

3003.39Lower: 12.5% vs 100%

If for antiemetic mixtures in measured doses

Bulk medicaments containing promethazine salts in dosage form shift to Chapter 30.

2922.19Lower: 19% vs 100%

If classified primarily as amino acid salt

Alternative oxygen-function amino compound classification if salt nature predominates over ring system.

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

• 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

Related Products under HTS 2934.30.27.00