Costunolide
A germacranolide with anthelminthic, antiparasitic and antiviral activities. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 553-21-9 | ChEBI ↗ |
| Molecular formula | C15H20O2 | ChEBI ↗ |
| Molar mass | 232.323 g/mol | ChEBI ↗ |
| Monoisotopic mass | 232.14633 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:3900 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 232.32 g/mol | PubChem ↗ |
| Exact mass | 232.146329876 Da | PubChem ↗ |
| Computed XLogP | 2.1 | PubChem ↗ |
| Topological polar surface area (Ų) | 26.3 | PubChem ↗ |
| H-bond donors | 0 | PubChem ↗ |
| H-bond acceptors | 2 | PubChem ↗ |
| Rotatable bonds | 0 | 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 identifiercostunolide(3aS,6E,10E,11aR)-6,10-dimethyl-3-methylene-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-2(3H)-oneHRYLQFBHBWLLLL-AHNJNIBGSA-NC=C1C(=O)O[C@@H]2/C=C(C)CC/C=C(C)CC[C@@H]12InChI=1S/C15H20O2/c1-10-5-4-6-11(2)9-14-13(8-7-10)12(3)15(16)17-14/h5,9,13-14H,3-4,6-8H2,1-2H3/b10-5+,11-9+/t13-,14+/m0/s1Names & 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 232.323 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCOHCalculated 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.