</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2918.30.90.00/2-Ketobutyric Acid/Japan

2-Ketobutyric Acid from Japan

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 — 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%
Calculate with your customs valueVerify classification with AI

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

2-Ketobutyric Acid from Japan — Import Duty Rate | HTS 2918.30.90.00