Apresoline API (Hydralazine Hydrochloride) from Japan
Bulk active pharmaceutical ingredient equivalent to Apresoline, consisting of pure hydralazine hydrochloride, a phthalazine-based vasodilator for hypertensive emergencies. HTS 2933.99.51.00 covers this specific listed cardiovascular drug as a separate chemically defined aromatic heterocyclic compound.
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%
Import Tips
• Reference ANDA or DMF # on commercial invoice; generics without this face 3003/3004 scrutiny
• Test for hydrazine impurities (<1ppm) per ICH Q3D; elemental impurities cause holds
• Use NAFTA/USMCA certificate if from Canada/Mexico origin to claim preferential duty rates