2933.79—Other lactams
General duty rate
Free – 6.5%
Across 7 10-digit lines; pick a line below for the exact rate
Coverage on this page
Up one level: 2933 — Heterocyclic compounds with nitrogen hetero-atom(s) only: (heading)
Plain-English explanation
HTS 2933.79 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Other lactams. It sits in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries and rolls up 7 10-digit statistical lines, with general duty rates ranging from Free to 6.5%. No Chapter 99 tariff modifications or AD/CVD orders currently flag any line under this subheading in Tandom's catalog.
10-digit lines under 2933.79(7)
Pick a line to view full rate detail and compute landed duty
2933.79.04.002,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dioneFree2933.79.08.00Products described in additional U.S. note 3 to section VI6.5% 2933.79.15.00Other6.5%2933.79.20.00N-Methyl-2-pyrrolidone; and 2-Pyrrolidone4.2%2933.79.30.00N-Vinyl-2-pyrrolidone, monomer5.5%2933.79.40.0012-Aminododecanoic acid lactamFreeFrequently asked questions
What does HTS 2933.79 cover?
HTS 2933.79 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Other lactams. It belongs to Chapter 29 and rolls up 7 10-digit statistical lines that brokers actually file at entry.
What is the duty rate for HTS 2933.79?
General (Column 1) duty rates for the 10-digit lines under HTS 2933.79 range from Free to 6.5%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.
How do I find the right 10-digit line under HTS 2933.79?
U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 2933.79 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.
Are there AD/CVD orders affecting HTS 2933.79?
Learn more
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