2933.39.31.00/Desvenlafaxine Succinate/Japan

Desvenlafaxine Succinate from Japan

Desvenlafaxine succinate (Pristiq API) is the major active metabolite of venlafaxine, an SNRI antidepressant with phenethylamine structure. Classified under HTS 2933.39.31.00 due to psychotherapeutic antidepressant function.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Verify succinic acid content in salt stoichiometry

• Provide metabolite impurity profile vs. parent compound

• Ensure extended-release formulation compatibility data