Chlordane ISO Reference Substance from Mexico
Pure chlordane ISO reference substance for calibration in pesticide residue analysis, directly named under tariff item 2903.82.00. As a separate chemically defined halogenated cycloterpenic hydrocarbon, it fits Chapter 29 Note 1(a). This analytical standard is used in laboratories for detecting chlordane residues in environmental samples.
Duty Rate — Mexico → Canada
0%
Import Tips
• Label the product clearly as an analytical reference standard to avoid confusion with pesticide formulations
• Include a certificate of analysis showing purity and ISO compliance
• Check if an import permit is needed for controlled substances, even for laboratory use