# European Union tariff lines under HS 2933.79

> The European Union tariff splits HS 2933.79 (lactams: Other lactams) into 10 national lines: 2933 79 00 15 (ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate (CAS RN 144978-12-1)), 2933 79 00 23 ((S)-2-Amino-3-[(S)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (CAS RN 2628280-48-6) with a purity by weight of 95 % or more), 2933 79 00 25 (methyl 2-oxo-2,3-dihydro-1H-indole-6-carboxylate (CAS RN 14192-26-8)), 2933 79 00 30 (5-Vinyl-2-pyrrolidone (CAS RN 7529-16-0)) and 6 others.

Source: https://border.bot/countries/european-union/hs-codes/293379
Last updated: 11 October 2026

[Countries](https://border.bot/countries) / [European Union](https://border.bot/countries/european-union) / [Chapter 29](https://border.bot/countries/european-union/hs-codes/29) / [2933.79](https://border.bot/countries/european-union/hs-codes/293379)

## Key facts

- HS subheading: [2933.79](https://border.bot/hs-codes/293379)
- National lines: 10
- Import VAT/GST in the European Union: VAT 21%
- De minimis in the European Union: Flat €3 duty up to €150; tax always charged
- Tariff: [European Union](https://border.bot/countries/european-union)
- Chapter: 29: Organic chemicals

## European Union lines under 2933.79

The European Union tariff splits HS 2933.79 (lactams: Other lactams) into 10 national lines: 2933 79 00 15 (ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate (CAS RN 144978-12-1)), 2933 79 00 23 ((S)-2-Amino-3-[(S)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (CAS RN 2628280-48-6) with a purity by weight of 95 % or more), 2933 79 00 25 (methyl 2-oxo-2,3-dihydro-1H-indole-6-carboxylate (CAS RN 14192-26-8)), 2933 79 00 30 (5-Vinyl-2-pyrrolidone (CAS RN 7529-16-0)) and 6 others.

- [2933 79 00 15](https://border.bot/countries/european-union/hs-codes/2933790015) Lactams, Other lactams, Ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate (CAS RN 144978-12-1). Duty (MFN): 6.5%
- [2933 79 00 23](https://border.bot/countries/european-union/hs-codes/2933790023) Lactams, Other lactams, (S)-2-Amino-3-[(S)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (CAS RN 2628280-48-6) with a purity by weight of 95 % or more. Duty (MFN): 6.5%
- [2933 79 00 25](https://border.bot/countries/european-union/hs-codes/2933790025) Lactams, Other lactams, Methyl 2-oxo-2,3-dihydro-1H-indole-6-carboxylate (CAS RN 14192-26-8). Duty (MFN): 6.5%
- [2933 79 00 30](https://border.bot/countries/european-union/hs-codes/2933790030) Lactams, Other lactams, 5-Vinyl-2-pyrrolidone (CAS RN 7529-16-0). Duty (MFN): 6.5%
- [2933 79 00 45](https://border.bot/countries/european-union/hs-codes/2933790045) Lactams, Other lactams, 1-phenyl-3H-indol-2-one (CAS RN 3335-98-6) with a purity by weight of 99 % or more. Duty (MFN): 6.5%
- [2933 79 00 55](https://border.bot/countries/european-union/hs-codes/2933790055) Lactams, Other lactams, (3S,4R)-3-Amino-4-hydroxypyrrolidin-2-one hydrochloride (CAS RN 2446872-13-3) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2933 79 00 65](https://border.bot/countries/european-union/hs-codes/2933790065) Lactams, Other lactams, 1-Dodecyl-2-pyrrolidone (CAS RN 2687-96-9) with a purity by weight of 98 % or more. Duty (MFN): 6.5%
- [2933 79 00 75](https://border.bot/countries/european-union/hs-codes/2933790075) Lactams, Other lactams, N-(n-octyl)-2-pyrrolidone (CAS RN 2687-94-7) with a purity by weight of 99 % or more. Duty (MFN): 6.5%
- [2933 79 00 85](https://border.bot/countries/european-union/hs-codes/2933790085) Lactams, Other lactams, 3,5-Dibromo-1-methyl-2(1H)-pyridinone (CAS RN 14529-54-5) with a purity by weight of 97 % or more. Duty (MFN): 6.5%
- [2933 79 00 90](https://border.bot/countries/european-union/hs-codes/2933790090) Lactams, Other lactams, Other

## Import VAT and de minimis in the European Union

The European Union charges VAT on imports at a standard rate of 21%.

From 1 July 2026 until 1 July 2028, consignments sold to buyers in the European Union worth up to €150 pay a flat customs duty of €3 per tariff classification in the consignment instead of the tariff rate. Import tax is charged whatever the value.

## In other countries

National tariff lines under 2933.79 are live on border.bot for the United States (7 lines, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/293379): 7 lines, used by 1 other country
- [The Harmonized System text for 2933.79](https://border.bot/hs-codes/293379)

- Previous subheading: [2933.72](https://border.bot/countries/european-union/hs-codes/293372) Clobazam (INN) and methyprylon (INN)
- Next subheading: [2933.91](https://border.bot/countries/european-union/hs-codes/293391) Other

## Frequently asked questions

### How many national tariff lines does the European Union tariff have under HS 2933.79?

The European Union tariff splits HS 2933.79 (lactams: Other lactams) into 10 national lines: 2933 79 00 15 (ethyl N-(tert-Butoxycarbonyl)-L-pyroglutamate (CAS RN 144978-12-1)), 2933 79 00 23 ((S)-2-Amino-3-[(S)-2-oxopyrrolidin-3-yl]propanamide hydrochloride (CAS RN 2628280-48-6) with a purity by weight of 95 % or more), 2933 79 00 25 (methyl 2-oxo-2,3-dihydro-1H-indole-6-carboxylate (CAS RN 14192-26-8)), 2933 79 00 30 (5-Vinyl-2-pyrrolidone (CAS RN 7529-16-0)) and 6 others.

## Sources and updates

The tariff lines for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The duty rates for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The trade programmes for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.

The import taxes for the European Union come from border.bot release 1, imported from a file, and have been live since 9 October 2026.

The de minimis thresholds for the European Union come from border.bot release 2, entered by border.bot, and have been live since 11 October 2026.

This page was last updated on 11 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://circabc.europa.eu/sd/a/9e277705-ac42-441d-8580-90cd730d9bc6/Geographical%20areas%20composition.xlsx
- https://circabc.europa.eu/sd/a/bfb94607-8b4c-40c3-ad33-1efef11bb80a/Duties%20Import%2001-99.xlsx
- https://circabc.europa.eu/sd/a/4b3c682c-947c-4f34-932d-0b8d192537bd/Measure%20exclusions.xlsx
- https://circabc.europa.eu/sd/a/13694f84-6980-4966-8c91-22459447b52b/Nomenclature%20EN.xlsx

Machine-readable: https://border.bot/countries/european-union/hs-codes/293379.json