Isovaleric Acid from China
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 — China → United States
40.3%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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)