Pyrrole ACS Reagent from Japan
Pyrrole (1H-pyrrole), a five-membered nitrogen heterocycle fundamental to porphyrin synthesis and electronics. Classified HTS 2933.99.9701 as other nitrogen hetero-atom compounds; ACS grade for lab use.
Duty Rate — Japan → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• ACS certification mandatory; generic grades risk 3824 lab chemical classification
• Stabilizer (e.g
• BHT) must be <0.1% or document per Chapter note (f)
• DOT shipping papers required for flammable liquid; common CBP hold