Ontology mapping
- Primary identifier
-
CHEBI:16183
Synonyms (1)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| tetrahydridocarbon | EXACT_SYNONYM | chebi_synonym_review |
Rejected enrichment labels (2)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| produces: methane from acetate | REJECTED_LABEL | sssom_other_backfill | |
| produces: methane from formate | REJECTED_LABEL | sssom_other_backfill |
Chemical properties
- Cas rn
- 74-82-8
- Data source
- CultureBotHT compounds_to_cas.csv
- Retrieval date
- 2026-04-29T06:04:17.380972+00:00
- Molecular formula
- CH4
- Inchi
- InChI=1S/CH4/h1H4
- Smiles
- [H]C([H])([H])[H]
Evidence (1)
DATABASE_MATCH
via CultureBotHT
Imported from CultureBotHT.
Occurrence statistics
- Total occurrences
- 8
- Distinct media
- 8
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-29T06:04:17.380972+00:00 | audit_integrate_culturebotht | CREATED_FROM_CULTUREBOTHT | MAPPED | Created from CultureBotHT compounds_to_cas.csv (CAS=74-82-8); Imported from CultureBotHT. |
| 2026-05-01T07:35:34.681042+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:30.717528+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=CH4; inchi=InChI=1S/CH4/h1H4; smiles=[H]C([H])([H])[H] | |
| 2026-05-02T03:12:16.316875+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-08-27T03:16:39.519279+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 0/0 -> 8/8 (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] | |
| 2026-09-02T17:40:44.716277+00:00 | claude_sssom_surface_form_backfill | ADDED_SYNONYMS | Recovered 1 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'produces: methane from acetate'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). | |
| 2026-09-02T22:41:49.137449+00:00 | claude_sssom_surface_form_backfill | ADDED_SYNONYMS | Recovered 1 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'produces: methane from formate'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). | |
| 2026-09-22T06:14:49.563933+00:00 | claude LLM | REJECTED_TRAIT_SYNONYMS | Retyped activity/assay phrases as provenance-only REJECTED_LABEL because they describe a process or organism trait, not an ingredient name (#703): 'produces: methane from acetate'; 'produces: methane from formate'. Preserved original text and source metadata. No identity, mapping, role, or remaining-synonym claim was adjudicated. |