Endrin Reference Standard 99% Pure from Mexico
Endrin Reference Standard 99% Pure is a high-purity analytical grade of the epoxide compound used for calibration in pesticide residue testing laboratories. As a separate chemically defined organic compound with three-membered ring, it qualifies for HTS 2910.50.00.00. Essential for environmental monitoring and quality control in agriculture.
Duty Rate — Mexico → United States
14.8%
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
• Provide NIST-traceable certificate of analysis showing ≥99% purity to confirm Chapter 29 classification
• Declare as 'Reference Standard' on commercial invoice; lab-use exemption may apply for certain EPA restrictions
• Ship in amber glass ampoules with inert atmosphere; avoid temperature excursions above 25°C during transit