Albendazole
A carbamate ester that is methyl 1H-benzimidazol-2-ylcarbamate substituted by a propylsulfanyl group at position 5. It is commonly used in the treatment of parasitic worm infestations. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 54965-21-8 | ChEBI ↗ |
| Molecular formula | C12H15N3O2S | ChEBI ↗ |
| Molar mass | 265.338 g/mol | ChEBI ↗ |
| Monoisotopic mass | 265.0885 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:16664 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 265.33 g/mol | PubChem ↗ |
| Exact mass | 265.08849790 Da | PubChem ↗ |
| Computed XLogP | 2.9 | PubChem ↗ |
| Topological polar surface area (Ų) | 92.3 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 4 | PubChem ↗ |
| Rotatable bonds | 5 | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifieralbendazolemethyl [5-(propylsulfanyl)-1H-benzimidazol-2-yl]carbamateHXHWSAZORRCQMX-UHFFFAOYSA-NCCCSc1ccc2nc(NC(=O)OC)nc2c1InChI=1S/C12H15N3O2S/c1-3-6-18-8-4-5-9-10(7-8)14-11(13-9)15-12(16)17-2/h4-5,7H,3,6H2,1-2H3,(H2,13,14,15,16)Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Mass ↔ amount of substance
Calculated from sourced massUses 265.338 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCNSOHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.