Butabarbital Sodium from Mexico
Intermediate-acting barbiturate sodium salt used in sedative formulations. Classified as a malonylurea derivative salt under HTS 2933.54.00.00 per Chapter 29 classification rules.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Document shelf-life stability as barbiturate salts are light-sensitive
• Use tamper-evident packaging to meet controlled substance regulations
• Avoid bulk packaging that suggests industrial chemical use