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Isovaleric Acid from Japan

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 — 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

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)

Isovaleric Acid from Japan — Import Duty Rate | HTS 2915.29.50.00