SHEET /m/erythromycin · PubChem CID 12560 · CAS 114-07-8 · REV 2026.07
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Erythromycin
from sourceC37H67NO13 · 733.9 g/mol
Robimycin · Ilotycin · Erythra-Derm · Emgel
What is Erythromycin?
A macrolide antibiotic from a soil bacterium, the standard alternative for people allergic to penicillin. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
CC[C@@H]1[C@@]([C@@H]([C@H](C(=O)[C@@H](C[C@@]([…180 charactersWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 9,272 mg/kg · very low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
9,272 mg/kg · very low toxicity · LD50 rat oral from source
3 more reported values
- 426 mg/kgLD50 · other · mouse
- 463 mg/kgLD50 · other · mouse
- 1,800 mg/kgLD50 · other · mouse
DangerIrritantHealth hazardEnvironmentalH317, H319, H334, H400, H410from source
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