Myclobutanil Reference Standard from Mexico
High-purity Myclobutanil reference standard (α-Butyl-α-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile) >99% for analytical labs, classified under HTS 2933.99.06.00 as a chemically defined heterocyclic compound. Used for HPLC calibration in pesticide residue testing. Meets chapter requirements for separate organic compounds.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include Certificate of Analysis (CoA) confirming identity and purity
• Label as 'Reference Standard - Not for Sale' to avoid EPA end-use scrutiny
• Small package exemptions may apply for lab quantities under DE minimis