penam

CHEBI:35991 ·resolve ·ANTIMICROBIAL_UNSPECIFIED ·EXACT SEEDED

Compound comprising a beta-lactam ring fused to a saturated 5-membered ring containing one sulfur atom. — 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:35507 CHEBI:35507
CHEBI:35992 CHEBI:35992

Chemical structure

Computed structure properties
Molecular formula	C5H7NOS
Charge	0
Average mass	129.184 Da
Monoisotopic mass	129.02483 Da
Source	ChEBI
InChIKey	WSHJJCPTKWSMRR-RXMQYKEDSA-N

SMILES

[H][C@@]12CC(=O)N1CCS2

InChI

InChI=1S/C5H7NOS/c7-4-3-5-6(4)1-2-8-5/h5H,1-3H2/t5-/m1/s1

Also called

(5R)-4-thia-1-azabicyclo[3.2.0]heptan-7-one (EXACT_SYNONYM)— chebi
clavam (EXACT_SYNONYM)— chebi
clavams (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

beilstein:4374479
wikipedia.en:Clavam

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:35991`	penam	`antibioticmech:chebi-cb4d9602ed`	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.