High-Purity 3-Amino-3-methyl-1-butyne for Research from Mexico
Research-grade 3-Amino-3-methyl-1-butyne (>99.5% purity), specifically named in HTS 2921.19.31.00 as an acyclic monoamine. Supplied in small quantities for laboratory synthesis of novel compounds. Meets analytical standards for R&D applications.
Duty Rate — Mexico → United States
10%
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
• Leverage small package exemptions (<$800) for research quantities but still declare exact HTS
• Include end-user statement for academic/lab use to expedite customs
• Label with research-only warning to prevent pharma reclassification concerns