Pharmaceutical Grade Neopentyl Glycol USP from Japan
Ultra-pure neopentyl glycol meeting USP standards for use in pharmaceutical intermediate synthesis. As a chemically defined diol without excluded characteristics, properly classified under 2905.39.20.00 rather than medicinal preparations.
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
• Include USP/EP certificate and endotoxin testing results to differentiate from industrial grades
• Declare as 'bulk active pharmaceutical ingredient intermediate' with DMF reference if applicable
• Ensure packaging prevents moisture absorption to maintain diol classification vs hydrated forms