US HTS code
2901230000
Butene (Butylene) and isomers thereof
Rates updated· Source: USITC Harmonized Tariff Schedule export
Column 2 rate (Cuba, North Korea): Free
Estimate duty
This code's duty rate (Free) isn't a simple percentage, so it can't be estimated here — check the official source for the exact calculation.
Section 232/301 & notes
No Section 232/301 overlay or footnote noted for this code in the HTS export.
Matching UK commodity code
Sharing the 6-digit HS root 290123.
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