azetidin-2-one

CHEBI:327119 ·resolve ·ANTIMICROBIAL_UNSPECIFIED ·EXACT SEEDED

An unsubstituted β-lactam compound. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:35627 CHEBI:35627
CHEBI:88225 CHEBI:88225

Chemical structure

Computed structure properties
Molecular formula	C3H5NO
Charge	0
Average mass	71.079 Da
Monoisotopic mass	71.03711 Da
Source	ChEBI
InChIKey	MNFORVFSTILPAW-UHFFFAOYSA-N

SMILES

O=C1CCN1

InChI

InChI=1S/C3H5NO/c5-3-1-2-4-3/h1-2H2,(H,4,5)

Also called

2-Azetidinone (EXACT_SYNONYM)— chebi
Propiolactam (EXACT_SYNONYM)— chebi
β-Propiolactam (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:930-21-2
gmelin:719474
reaxys:104563

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33281 CHEBI:33281

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:327119`	azetidin-2-one	`antibioticmech:chebi-06a1ce4ca6`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.