cepham

CHEBI:35993 ·resolve ·ANTIMICROBIAL_UNSPECIFIED ·EXACT SEEDED

An organic heterobicyclic compound that consists of (6R)-5-thia-1-azabicyclo[4.2.0]octane bearing an 8-keto substituent. The parent of the class of cephams. — 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:35995 CHEBI:35995
CHEBI:38419 CHEBI:38419

Chemical structure

Computed structure properties
Molecular formula	C6H9NOS
Charge	0
Average mass	143.211 Da
Monoisotopic mass	143.04048 Da
Source	ChEBI
InChIKey	QHTOIDKCEPKVCM-ZCFIWIBFSA-N

SMILES

[H][C@@]12CC(=O)N1CCCS2

InChI

InChI=1S/C6H9NOS/c8-5-4-6-7(5)2-1-3-9-6/h6H,1-4H2/t6-/m1/s1

Also called

(6R)-5-thia-1-azabicyclo[4.2.0]octan-8-one (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:13265235

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:35993`	cepham	`antibioticmech:chebi-4ea189ef84`	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.