Isovaleric Acid from Canada
Isovaleric acid (3-methylbutanoic acid) is a branched-chain saturated monocarboxylic acid with cheesy odor, used in flavors and perfumes. HTS 2915.29.50.00 covers this as 'other' acyclic saturated acid.
Duty Rate — Canada → United States
12.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• CAS 503-74-2 confirmation essential to distinguish from straight-chain
• Odor documentation may help CBP verification during examination
• Low temperature shipping required (melting point -2°C)