# United States tariff line 2933.49.17.00: Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate

> In the United States tariff, line 2933.49.17.00 covers compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2933.49 in heading 29.33 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2933491700
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2933.49](https://border.bot/countries/united-states/hs-codes/293349) / [2933.49.17.00](https://border.bot/countries/united-states/hs-codes/2933491700)

## Key facts

- Tariff line: 2933.49.17.00
- Covers: Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2933.49](https://border.bot/hs-codes/293349)

## What this line covers

In the United States tariff, line 2933.49.17.00 covers compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate.

Its legal text is “Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate”, read under “Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused” and “Other”.

## How it is structured

It falls under HS subheading 2933.49 in heading 29.33 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 29: Organic chemicals
- Heading 29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only
- Subheading 2933.49: Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused
- Within the subheading: Other
- Line 2933.49.17.00: Ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 2933.49 yet.

- [The Harmonized System text for 2933.49](https://border.bot/hs-codes/293349)

## Other lines under 2933.49

- [2933.49.08.00](https://border.bot/countries/united-states/hs-codes/2933490800) 4,7-Dichloroquinoline
- [2933.49.10.00](https://border.bot/countries/united-states/hs-codes/2933491000) Ethoxyquin (1,2-Dihydro-6-ethoxy-2,2,4- trimethylquinoline)
- [2933.49.15.00](https://border.bot/countries/united-states/hs-codes/2933491500) 8-Methylquinoline and Isoquinoline
- [2933.49.20.00](https://border.bot/countries/united-states/hs-codes/2933492000) 5-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate
- [2933.49.26.00](https://border.bot/countries/united-states/hs-codes/2933492600) Other
- [2933.49.30.00](https://border.bot/countries/united-states/hs-codes/2933493000) Pesticides
- [2933.49.60.00](https://border.bot/countries/united-states/hs-codes/2933496000) Products described in additional U.S. note 3 to section VI
- [2933.49.70.00](https://border.bot/countries/united-states/hs-codes/2933497000) Other

- Previous line: [2933.49.15.00](https://border.bot/countries/united-states/hs-codes/2933491500) 8-Methylquinoline and Isoquinoline
- Next line: [2933.49.20.00](https://border.bot/countries/united-states/hs-codes/2933492000) 5-Chloro-7-iodo-8-quinolinol (Iodo chlo rhydroxy quin); Deco quinate; Diiodo hydroxy quin; and Oxy quinoline sulfate

## Frequently asked questions

### What does tariff line 2933.49.17.00 cover in the United States tariff?

In the United States tariff, line 2933.49.17.00 covers compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, ethyl ethyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3- quinolinecarboxylate.

### What is the general (MFN) duty on 2933.49.17.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/2933491700.json