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3-Ketobutyric Acid from Mexico

3-Ketobutyric acid, a beta-keto acid, contains ketone and carboxylic functions per HTS 2918.30.90.00 classification. Used in organic synthesis despite instability.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Import as stabilized sodium salt to prevent decarboxylation

Full elemental analysis required for customs verification

Avoid 2918.90 if hydroxy tautomer predominates