HTS 2933.79
Other lactams
Heterocyclic compounds with nitrogen hetero-atom(s) only › Lactams
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Chapter 99 measures listing products under 2933.79
Potash that is a product of Mexico, as provided for in U.S. note 2(c) to this subchapter
Mexico7 listed productsExcept for products described in headings 9903.05.02–9903.05.09, articles the product of Brazil, as provided for in subdivision (a) of U.S. note 50 to this subchapter
Brazil7 listed productsArticles the product of Brazil, as provided for in subdivision (a)(ii) of U.S. note 50 to this subchapter
Brazil7 listed productsArticles the product of Brazil, as provided for in subdivision (a)(iii) of U.S. note 50 to this subchapter
Brazil7 listed productsArticles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of Brazil, as provided for in subdivision (a)(iv) of U.S. note 50 to this subchapter
Brazil7 listed productsArticles the product of Brazil that are articles for use in pharmaceutical applications, as provided for in subdivision (a)(v) of U.S. note 50 to this subchapter
Brazil7 listed productsArticles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo…
Brazil7 listed productsArticles for use in pharmaceutical applications, as provided for in subdivision (e) of U.S. note 52 to this subchapter
7 listed productsExcept as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided…
China7 listed productsArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Russia1 listed product
Lines under 2933.79
| HTS | Description | General | Column 2 |
|---|---|---|---|
| 2933.79.04.00 | 2,5-Dihydro-3,6-diphenylpyrrolo-(3,4-c)- pyrrole-1,4-dione | Free | 15.4¢/kg + 52% |
| 2933.79.08.00 | Products described in additional U.S. note 3 to section VI | 6.5% | 15.4¢/kg + 52% |
| 2933.79.15.00 | Other | 6.5% | 15.4¢/kg + 52% |
| 2933.79.20.00 | N-Methyl-2-pyrrolidone; and 2-Pyrrolidone | 4.2% | 25% |
| 2933.79.30.00 | N-Vinyl-2-pyrrolidone, monomer | 5.5% | 40% |
| 2933.79.40.00 | 12-Aminododecanoic acid lactam | Free | 30.5% |
| 2933.79.85.00 | Other | 6.5% | 30.5% |