AntibioticMech

cefpodoxime

CHEBI:3504 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A third-generation cephalosporin antibiotic with methoxymethyl and (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamino substituents at positions 3 and 7, respectively, of the cephem skeleton. Given by mouth as its proxetil ester prodrug, it is used to treat acute otitis media, pharyngitis, and sinusitis. — ChEBI

Classification

cephalosporinARO:0000032

Strictly broader compounds or drug classes this molecule belongs to.

• CHEBI:23066 CHEBI:23066
• CHEBI:33575 CHEBI:33575
• ARO:0000032 ARO:0000032

Chemical structure

Computed structure properties

Molecular formula	C15H17N5O6S2
Charge	0
Average mass	427.464 Da
Monoisotopic mass	427.06203 Da
Source	ChEBI
InChIKey	WYUSVOMTXWRGEK-HBWVYFAYSA-N

SMILES

[H][C@]12SCC(COC)=C(C(=O)O)N1C(=O)[C@H]2NC(=O)/C(=N\OC)c1csc(N)n1

InChI

InChI=1S/C15H17N5O6S2/c1-25-3-6-4-27-13-9(12(22)20(13)10(6)14(23)24)18-11(21)8(19-26-2)7-5-28-15(16)17-7/h5,9,13H,3-4H2,1-2H3,(H2,16,17)(H,18,21)(H,23,24)/b19-8-/t9-,13-/m1/s1

Also called

• cefpodoxima (INN)— chebi
• cefpodoximum (INN)— chebi
• 7β-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetamido]-3-(methoxymethyl)-3,4-didehydrocepham-4-carboxylic acid (EXACT_SYNONYM)— chebi
• (6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (EXACT_SYNONYM)— chebi
• CPD (EXACT_SYNONYM)— aro

Cross-references

Equivalent identifiers for this same structure in other resources.

• ARO:3000647
• cas:80210-62-4
• drugbank:DB01416
• kegg.compound:C08114
• kegg.drug:D07650
• reaxys:6021381
• vsdb:2968
• wikipedia.en:Cefpodoxime
• chembl:CHEMBL1672
• pubchem.compound:6335986

Activity roles

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

• CHEBI:33281 CHEBI:33281
• CHEBI:36047 CHEBI:36047

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
ARO	ARO:3000647	cefpodoxime	antibioticmech:aro-632373ed4d	2026-08-30
CHEBI	CHEBI:3504	cefpodoxime	antibioticmech:chebi-74109e8f89	2026-08-30

Molecular targets

The molecular entity or process this compound acts on. Each target carries evidence — this is a mechanistic claim, not a classification.

beta-lactam sensitive penicillin-binding protein PROTEIN DIRECT_BINDING_TARGET

ARO:3000749

CARD/ARO database assertion; target organism, strain, and assay are not specified. Penicillin-binding proteins are asserted as inhibited transpeptidases. Evidence status: PRIMARY_EVIDENCE_NEEDED. Source: CARD_ARO 2026-08-30 (retrieved 2026-08-30).

• ARO:3000749 (CARD/ARO asserts targeted_by_antibiotic ARO:3000647 (cefpodoxime); database assertion, not a primary citation.)

Curation history

1. SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Seeded from data/raw/ inventories (ARO, CHEBI)

2. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

3. RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources

   Re-seeded from updated data/raw/ inventories

4. RESEEDED_FROM_SOURCES 2026-08-31 · 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.