High-Purity 3-Amino-3-methyl-1-butyne for Research from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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