SHEET /m/clarithromycin · PubChem CID 84029 · CAS 81103-11-9 · REV 2026.07
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Clarithromycin
from sourceC38H69NO13 · 748 g/mol
Biaxin Xl · Biaxin · Biaxin Xl Pac · Klaricid
What is Clarithromycin?
A macrolide antibiotic sold as Biaxin and Klaricid, used for chest infections and stomach ulcer bacteria. It is a tweaked erythromycin that survives stomach acid. 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@@]([…181 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
- 1,270 mg/kg · 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
1,270 mg/kg · low toxicity · LD50 rat oral from source
3 more reported values
- 173 mg/kgLD50 · iv · mouse
- 669 mg/kgLD50 · other · rat
- 5,000 mg/kgLD50 · other · rat
DangerIrritantHealth hazardEnvironmentalH302, H315, H361, H362, H370, H372, H373, H400, H410from source
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