SHEET /m/chloramphenicol · PubChem CID 5959 · CAS 56-75-7 · REV 2026.07
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Chloramphenicol
from sourceC11H12Cl2N2O5 · 323.13 g/mol
Tevcocin · Mychel · Amphicol · Chloromycetin
What is Chloramphenicol?
An antibiotic best known today in eye drops and ointment for eye infections. It was first isolated in 1947 from a soil bacterium found in Venezuela. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
C1=CC(=CC=C1[C@H]([C@@H](CO)NC(=O)C(Cl)Cl)O)[N+](=O)[O-]Where 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
- 1,500 mg/kg · low toxicity
- Species
- mouse
- 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
1,500 mg/kg · low toxicity · LD50 mouse oral from source
3 more reported values
- 171 mg/kgLD50 · iv · rat
- 1,811 mg/kgLD50 · other · rat
- 5,000 mg/kgLD50 · other · rat
DangerCorrosiveIrritantHealth hazardEnvironmentalH303, H317, H318, H340, H341, H350, H351, H360, H361, H372, H373, H400, H410from source