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.

Label unavailable CHEBI:35507
cephams CHEBI:35995
Label unavailable 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

Identifiers for this same structure in other resources. An accession that lands on two different structures in this corpus is withheld from both rather than shown here, since it names at most one of them.

reaxys:13265235

Activity roles

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

antimicrobial agent 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 (YAML).

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