2-Ketobutyric Acid from Germany
2-Ketobutyric acid is an alpha-keto acid with four carbons, fitting HTS 2918.30.90.00 as a carboxylic acid with ketone function. Applied in amino acid synthesis and metabolic pathway studies.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Refrigerated transport required (2-8°C) with temperature logger
• TSCA inventory confirmation mandatory for lab chemicals
• Distinguish from butyric acid (2915.60) lacking keto group