Homogentisic Acid from Germany
Homogentisic acid (2,5-dihydroxyphenylacetic acid) has carboxylic acid on side chain rather than directly on ring. Still qualifies under HTS 2918.19.20.00 per note 3 for aromatic compounds with alcohol function. Important in metabolic disorder research (alkaptonuria).
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
• Side-chain COOH; confirm aromatic ring substitution pattern for classification
• Medical research use; include IRB protocol if for human studies
• Unstable in air; import temperature-controlled with stability data