Noribogaine
An organic heteropentacyclic compound that is ibogamine in which the indole hydrogen para to the indole nitrogen has been replaced by a hydroxy group. It is the primary (and long-lived) metabolite of ibogaine, the psychoactive indole alkaloid found in the African rainforest shrub Tabernanthe iboga. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 481-88-9 | ChEBI ↗ |
| Molecular formula | C19H24N2O | ChEBI ↗ |
| Molar mass | 296.414 g/mol | ChEBI ↗ |
| Monoisotopic mass | 296.18886 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:146264 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 296.4 g/mol | PubChem ↗ |
| Exact mass | 296.188863393 Da | PubChem ↗ |
| Computed XLogP | 3.6 | PubChem ↗ |
| Topological polar surface area (Ų) | 39.3 | PubChem ↗ |
| H-bond donors | 2 | PubChem ↗ |
| H-bond acceptors | 2 | PubChem ↗ |
| Rotatable bonds | 1 | 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 identifiernoribogaine(18R)-ibogamine-12-olRAUCDOKTMDOIPF-RYRUWHOVSA-N[H][C@@]12C[C@H](CC)[C@]3([H])[N@@](CCc4c(nc5ccc(O)cc45)[C@]3([H])C1)C2InChI=1S/C19H24N2O/c1-2-12-7-11-8-16-18-14(5-6-21(10-11)19(12)16)15-9-13(22)3-4-17(15)20-18/h3-4,9,11-12,16,19-20,22H,2,5-8,10H2,1H3/t11-,12+,16+,19+/m1/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 296.414 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCNHOCalculated 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.