Cetoleic Acid from Japan
Cetoleic acid (cis-11-eicosenoic acid) is a C20:1 mono-unsaturated acyclic fatty acid prevalent in marine oils, particularly cod liver oil. Classified HTS 2916.19.50.00 as other unsaturated acyclic monocarboxylic acid. Used in lipid nutrition 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%
Import Tips
• Confirm Δ11 position via mass spectrometry
• Cod liver/marine mammal oil origin with purity certificate
• Low temperature stability testing results