2926.90.50.50/2-Cyanopyrrole/Japan

2-Cyanopyrrole from Japan

2-Cyanopyrrole is a heterocyclic nitrile with CN group on pyrrole ring, used in pharmaceutical and agrochemical synthesis. Classifies under HTS 2926.90.5050 as nitrile-function compound rather than heterocyclic per Chapter 29 priority rules. The nitrile defines its chemical character.

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

• NMR spectra confirming nitrile vs ring priority for CBP review

• Light-sensitive; declare inert atmosphere packaging

• Avoid 2933 classification by proving acyclic nitrile function principal