Benzilic Acid Methyl Ester USP Grade from Mexico
USP-grade benzilic acid methyl ester is a high-purity form of this aromatic compound used in pharmaceutical research and API synthesis. It qualifies for HTS 2918.19.1100 as the specifically named methyl ester of benzilic acid, meeting Chapter 29's criteria for separate chemically defined organic compounds. The USP designation ensures compliance with pharmacopeia standards.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain Certificate of Analysis (CoA) confirming >99% purity to match 'chemically defined' requirement
• Label with pharmacopeia grade to prevent downclassification
• File prior notice via FDA if destined for drug manufacturing