2926.90.50.50/2-Cyanopyrrole/Germany

2-Cyanopyrrole from Germany

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 — Germany → United States

15%

Rate breakdown

9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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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