Heading 2933 · Heterocyclic compounds with nitrogen hetero-atom(s) only

2933.32

Heterocyclic compounds with nitrogen hetero-atom(s) only — Piperidine and its salts:

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Mentioned in Chapter 99

The parts of Chapter 99, in the 2026 HTS Revision 22, that list HTS 2933.32, a broader code that includes it, or a narrower code within it.

U.S. noteExcerptHeadings that refer to it
U.S. note 20(f)(f) Heading 9903.88.03 applies to all products of China that are classified in the following 8-digit subheadings, except products of China granted an exclusion by the U.S. Trade Representative and provided for in (1) heading 9903.88.13 and…9903.88.03, 9903.88.09

Being listed is not owing a duty. A note may list goods that a measure leaves out; whether a heading applies depends on the origin, the date and the product; and the measures on all the goods of a country list no code at all. The calculator says what applies.

In the tariff

  1. 2933Heterocyclic compounds with nitrogen hetero-atom(s) only
  2. Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure
  3. 2933.32Piperidine and its salts
  4. 2933.32.10.00Piperidine6.5%
  5. 2933.32.50.00Other6.5%