Ontology mapping
- Primary identifier
-
CHEBI:28842 - Ontology label
- octadecanoic acid
- kg-microbe node
CHEBI:28842
Synonyms (11)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Carbon source | RAW_TEXT | CultureMech | |
| 18:0 | EXACT_SYNONYM | kg_microbe | |
| CH3-[CH2]16-COOH | EXACT_SYNONYM | kg_microbe | |
| Octadecanoic acid | EXACT_SYNONYM | kg_microbe | |
| Octadecansaeure | EXACT_SYNONYM | kg_microbe | |
| Oktadekansaeure | EXACT_SYNONYM | kg_microbe | |
| Stearinsaeure | EXACT_SYNONYM | kg_microbe | |
| acide octadecanoique | EXACT_SYNONYM | kg_microbe | |
| acide stearique | EXACT_SYNONYM | kg_microbe | |
| n-octadecanoic acid | EXACT_SYNONYM | kg_microbe | |
| octadecoic acid | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 57-11-4
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:53:57.223245+00:00
- Molecular formula
- C18H36O2
- Inchi
- InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h2-17H2,1H3,(H,19,20)
- Smiles
- CCCCCCCCCCCCCCCCCC(=O)O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 6
- Distinct media
- 6
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | MAPPED | Initial import from CultureMech pipeline |
| 2026-04-05T19:53:57.223293+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:57-11-4 from PubChem API via name lookup (Stearic acid) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 10 synonyms from kg-microbe P4.4 enrichment: 18:0, CH3-[CH2]16-COOH, Octadecanoic acid, Octadecansaeure, Oktadekansaeure, ... (5 more) |
| 2026-05-01T07:35:36.447214+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:32.524987+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C18H36O2; inchi=InChI=1S/C18H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-1; smiles=CCCCCCCCCCCCCCCCCC(=O)O | |
| 2026-05-02T03:12:18.623139+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-09T05:23:46.838696+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Stearic acid' -> 'octadecanoic acid': synced to canonical CHEBI label (preferred_term 'Stearic acid' unchanged). | |
| 2026-08-27T03:16:39.519908+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 4/4 -> 6/6 (media_count/total_occurrences), derived from distinct CultureMech recipe ids in the #337 occurrence table. The prior values came from the importer retired in #453, whose media_count counted a list truncated to 50 examples (#449). [source=ingredient_occurrences.tsv culturemech_rev=15a4da5c08 rows=194137 distinct_recipes=15257] |