cephamycin C

CHEBI:3543 ·resolve ·ANTIMICROBIAL_UNSPECIFIED ·EXACT SEEDED

One of three naturally occurring cephamycin antibiotics, differing from the A and B forms in its carbamoyloxymethyl substituent at C-3. — 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.

cephamycin CHEBI:55429

Chemical structure

Computed structure properties
Molecular formula	C16H22N4O9S
Charge	0
Average mass	446.438 Da
Monoisotopic mass	446.11075 Da
Source	ChEBI
InChIKey	LXWBXEWUSAABOA-VXSYNFHWSA-N

SMILES

[H][C@]12SCC(COC(N)=O)=C(C(=O)O)N1C(=O)[C@]2(NC(=O)CCC[C@@H](N)C(=O)O)OC

InChI

InChI=1S/C16H22N4O9S/c1-28-16(19-9(21)4-2-3-8(17)11(22)23)13(26)20-10(12(24)25)7(5-29-15(18)27)6-30-14(16)20/h8,14H,2-6,17H2,1H3,(H2,18,27)(H,19,21)(H,22,23)(H,24,25)/t8-,14-,16+/m1/s1

Also called

3-[(carbamoyloxy)methyl]-7α-methoxy-7β-[(5R)-5-amino-5-carboxypentanamido]-3,4-didehydrocepham-4-carboxylic acid (EXACT_SYNONYM)— chebi
7-[(5-amino-5-carboxypentanoyl)amino]-3-[(carbamoyloxy)methyl]-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (EXACT_SYNONYM)— chebi
(6R,7S)-3-[[(aminocarbonyl)oxy]methyl]-7α-[[(R)-5-amino-5-carboxy-1-oxopentyl]amino]-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (EXACT_SYNONYM)— chebi
A 16886B (EXACT_SYNONYM)— chebi
A-16886B (EXACT_SYNONYM)— chebi
A16886B (EXACT_SYNONYM)— chebi
Cephamycin C (EXACT_SYNONYM)— chebi
antibiotic 842A (EXACT_SYNONYM)— chebi
antibiotic A-16886B (EXACT_SYNONYM)— chebi
antibiotic A-16886I (EXACT_SYNONYM)— chebi
antibiotic WS-3442C (EXACT_SYNONYM)— chebi
cephemimycin (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.

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:3543`	cephamycin C	`antibioticmech:chebi-00992a963a`	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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