Endosulfan Beta Isomer Standard from Mexico
Endosulfan Beta Isomer Standard is a reference material containing the beta isomer of endosulfan (ISO) at certified concentration for calibration purposes. It qualifies under HTS 2920.30.00.00 as the named compound in pure or stabilized form per chapter notes. Primarily used in environmental and pesticide residue testing laboratories.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include NIST-traceable certificate of analysis; label as analytical standard to distinguish from pesticide; check TSCA notification if for commercial chemical use