2933.29.45.00/Econazole Nitrate USP/Japan

Econazole Nitrate USP from Japan

Econazole nitrate, a broad-spectrum imidazole antifungal drug, falls under HTS 2933.29.4500 due to its characteristic unfused imidazole ring structure. Used primarily in dermatological treatments for fungal infections of skin and nails.

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

• Provide polymorphic form characterization; nitrate salts prone to FDA scrutiny on crystal form stability

• Include forced degradation studies in submission; common detention cause is insufficient stability data

• Ensure proper nitrate content assay; over 0.1% impurities triggers import alert