# United States tariff line 2941.10.30.00: Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium

> In the United States tariff, line 2941.10.30.00 covers penicillins and their derivatives with a penicillanic acid structure; salts thereof, carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2941.10 in heading 29.41 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2941103000
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) / [2941.10](https://border.bot/countries/united-states/hs-codes/294110) / [2941.10.30.00](https://border.bot/countries/united-states/hs-codes/2941103000)

## Key facts

- Tariff line: 2941.10.30.00
- Covers: Penicillins and their derivatives with a penicillanic acid structure; salts thereof, carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2941.10](https://border.bot/hs-codes/294110)

## What this line covers

In the United States tariff, line 2941.10.30.00 covers penicillins and their derivatives with a penicillanic acid structure; salts thereof, carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium.

Its legal text is “Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium”, read under “Penicillins and their derivatives with a penicillanic acid structure; salts thereof” and “Other”.

## How it is structured

It falls under HS subheading 2941.10 in heading 29.41 (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 29.41: Antibiotics
- Subheading 2941.10: Penicillins and their derivatives with a penicillanic acid structure; salts thereof
- Within the subheading: Other
- Line 2941.10.30.00: Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium

## 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 2941.10 yet.

- [The Harmonized System text for 2941.10](https://border.bot/hs-codes/294110)

## Other lines under 2941.10

- [2941.10.10.00](https://border.bot/countries/united-states/hs-codes/2941101000) Ampicillin and its salts
- [2941.10.20.00](https://border.bot/countries/united-states/hs-codes/2941102000) Penicillin G salts
- [2941.10.50.00](https://border.bot/countries/united-states/hs-codes/2941105000) Other

- Previous line: [2941.10.20.00](https://border.bot/countries/united-states/hs-codes/2941102000) Penicillin G salts
- Next line: [2941.10.50.00](https://border.bot/countries/united-states/hs-codes/2941105000) Other

## Frequently asked questions

### What does tariff line 2941.10.30.00 cover in the United States tariff?

In the United States tariff, line 2941.10.30.00 covers penicillins and their derivatives with a penicillanic acid structure; salts thereof, carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium.

### What is the general (MFN) duty on 2941.10.30.00 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/2941103000.json