Cefadroxil (formerly trademarked as Duricef) is a broad-spectrum antibiotic of the cephalosporin type, effective in Gram-positive and Gram-negative bacterial infections. It is a bactericidal antibiotic.

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(6R,7R)-7-{[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino}-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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| Trade names | Generic |
| AHFS/Drugs.com | monograph |
| MedlinePlus | a682730 |
| Legal status | (Prescription only) |
| Routes of administration |
Oral |
| Protein binding | plasma protein |
| Metabolism | unknown |
| Biological half-life | 1.5 hours |
| Identifiers | |
|---|---|
| CAS Number | 66592-87-8 |
| ATC code | J01DB05 |
| PubChem | CID: 47964 |
| DrugBank | DB01140 |
| ChemSpider | 43629 |
| UNII | 280111G160 |
| KEGG | D02353 |
| ChEBI | CHEBI:53667 |
| ChEMBL | CHEMBL1644 |
| Chemical data | |
|---|---|
| Formula | C16H17N3O5S |
| Molecular mass | 363.389 g/mol |
| SMILES[show] | |
| InChI[show] | |