2935.90.13.00/Halosulfuron Methyl Reference Standard/Japan

Halosulfuron Methyl Reference Standard from Japan

High-purity halosulfuron methyl reference standard (≥99.5%) used for analytical method validation, residue analysis, and quality control in pesticide manufacturing. Qualifies under HTS 2935.90.13.00 as the specifically named sulfonamide compound. Packaged in 100mg-1g amber glass vials.

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%

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Import Tips

• Certificate of Analysis must include HPLC purity, NMR spectrum, and mass balance

• Small package exemption from EPA import notification for <100g analytical standards

• Store at -20°C; validate cold chain integrity during import