# United States tariff line 2933.59.85.00: 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil

> In the United States tariff, line 2933.59.85.00 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2933.59 in heading 29.33 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2933598500
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) / [2933.59](https://border.bot/countries/united-states/hs-codes/293359) / [2933.59.85.00](https://border.bot/countries/united-states/hs-codes/2933598500)

## Key facts

- Tariff line: 2933.59.85.00
- Covers: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2933.59](https://border.bot/hs-codes/293359)

## What this line covers

In the United States tariff, line 2933.59.85.00 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil.

Its legal text is “2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil”, read under “Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure”, “Other”, “Other” and “Other”.

## How it is structured

It falls under HS subheading 2933.59 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 2933.59: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure
- Within the subheading: Other
- Within the subheading: Other
- Within the subheading: Other
- Line 2933.59.85.00: 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil

## 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 2933.59 yet.

- [The Harmonized System text for 2933.59](https://border.bot/hs-codes/293359)

## Other lines under 2933.59

- [2933.59.10.00](https://border.bot/countries/united-states/hs-codes/2933591000) Herbicides
- [2933.59.15.00](https://border.bot/countries/united-states/hs-codes/2933591500) Other
- [2933.59.18.00](https://border.bot/countries/united-states/hs-codes/2933591800) Other
- [2933.59.21.00](https://border.bot/countries/united-states/hs-codes/2933592100) Antihistamines, including those principally used as anti-nauseants
- [2933.59.22.00](https://border.bot/countries/united-states/hs-codes/2933592200) Nicarbazin; and Trimethoprim
- [2933.59.36.00](https://border.bot/countries/united-states/hs-codes/2933593600) Other
- [2933.59.46.00](https://border.bot/countries/united-states/hs-codes/2933594600) Antidepressants, tranquilizers and other psychotherapeutic agents
- [2933.59.53.00](https://border.bot/countries/united-states/hs-codes/2933595300) Other
- [2933.59.59.00](https://border.bot/countries/united-states/hs-codes/2933595900) Other
- [2933.59.70.00](https://border.bot/countries/united-states/hs-codes/2933597000) Products described in additional U.S. note 3 to section VI
- [2933.59.80.00](https://border.bot/countries/united-states/hs-codes/2933598000) Other
- [2933.59.95.00](https://border.bot/countries/united-states/hs-codes/2933599500) Other

- Previous line: [2933.59.80.00](https://border.bot/countries/united-states/hs-codes/2933598000) Other
- Next line: [2933.59.95.00](https://border.bot/countries/united-states/hs-codes/2933599500) Other

## Frequently asked questions

### What does tariff line 2933.59.85.00 cover in the United States tariff?

In the United States tariff, line 2933.59.85.00 covers compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, 2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil.

### What is the general (MFN) duty on 2933.59.85.00 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/2933598500.json
