# United States tariff lines under HS 2939.62

> The United States tariff splits HS 2939.62 (alkaloids of rye ergot and their derivatives; salts thereof: Ergotamine (INN) and its salts) into 1 national line: 2939.62.00.00 (ergotamine and its salts). Every United States line under 2939.62 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/293962
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) / [2939.62](https://border.bot/countries/united-states/hs-codes/293962)

## Key facts

- HS subheading: [2939.62](https://border.bot/hs-codes/293962)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2939.62

The United States tariff splits HS 2939.62 (alkaloids of rye ergot and their derivatives; salts thereof: Ergotamine (INN) and its salts) into 1 national line: 2939.62.00.00 (ergotamine and its salts).

Every United States line under 2939.62 is free of general (MFN) duty.

- [2939.62.00.00](https://border.bot/countries/united-states/hs-codes/2939620000) Alkaloids of rye ergot and their derivatives; salts thereof, Ergotamine and its salts. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 2939.62 yet.

- [The Harmonized System text for 2939.62](https://border.bot/hs-codes/293962)

- Previous subheading: [2939.61](https://border.bot/countries/united-states/hs-codes/293961) Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
- Next subheading: [2939.63](https://border.bot/countries/united-states/hs-codes/293963) Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2939.62?

The United States tariff splits HS 2939.62 (alkaloids of rye ergot and their derivatives; salts thereof: Ergotamine (INN) and its salts) into 1 national line: 2939.62.00.00 (ergotamine and its salts).

### What is the duty on HS 2939.62 in the United States?

Every United States line under 2939.62 is 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/293962.json