p-Anisic Acid USP Grade from Mexico
Pharmaceutical USP-grade p-anisic acid meets higher purity standards for drug synthesis and preservation applications. Classified under HTS 2918.99.0500 as the specifically named aromatic carboxylic acid with methoxy oxygen function, compliant with Chapter 29 purity requirements. Used as antimicrobial preservative in formulations.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include USP certificate and lot-specific COA; declare pharmacopeia grade on entry summary
• Verify DMF status if destined for US pharma manufacturing; comply with cGMP import requirements
• Label with 'For Pharmaceutical Use Only' to avoid food additive scrutiny