Ontology mapping
- Primary identifier
-
kgmicrobe.compound:tetramethyl_ammonium_chloride - Ontology term
-
CHEBI:46020— tetramethylammonium - Ontology label
- tetramethylammonium
- Notes
- Imported from mim-queue (source_id=mediadive.ingredient:720); no CAS-RN or CHEBI/NCIT match. Curator review needed. No exact local ontology term for tetramethylammonium chloride was verified; retained as a kg-microbe compound with a non-identity link to the tetramethylammonium cation.
- kg-microbe node
kgmicrobe.compound:tetramethyl_ammonium_chloride
Synonyms (1)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Tetramethyl ammonium chloride | RAW_TEXT | mim-queue |
Rejected enrichment labels (1)
Provenance-only candidates: these are not synonyms and do not resolve to this record.
| Rejected label | Disposition | Source | Occurrences |
|---|---|---|---|
| N,N,N-trimethylmethanaminium | REJECTED_LABEL | chebi_synonym_review |
Chemical properties
- Inchi
- InChI=1S/C4H12N/c1-5(2,3)4/h1-4H3/q+1
- Molecular weight
- 74.147
- Data source
- ChEBI+PubChem
- Retrieval date
- 2026-05-23T08:31:13.209820+00:00
Evidence (1)
CURATOR_JUDGMENT
via ingredient_mapping_review_2026-05-05
No exact local ontology term for tetramethylammonium chloride was verified; retained as a kg-microbe compound with a non-identity link to the tetramethylammonium cation.
Occurrence statistics
- Total occurrences
- 3
- Distinct media
- 3
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-30T18:43:03.698454+00:00 | audit_import_ingredients[mim-queue] | CREATED_AS_UNMAPPED | UNMAPPED | Imported from mim-queue (source_id=mediadive.ingredient:720); no CAS-RN or CHEBI/NCIT match. Curator review needed. |
| 2026-05-02T03:18:21.977757+00:00 | resolve_unmapped_v2 | AUTO_UPGRADE_TO_CHEBI | primary UNMAPPED_0537 → CHEBI:31206 (strategy=stem-match) | |
| 2026-05-02T23:59:53.130340+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=Cl.H4N; inchi=InChI=1S/ClH.H3N/h1H;1H3; smiles=[Cl-].[H][N+]([H])([H])[H] | |
| 2026-05-05T00:00:00+00:00 | ingredient_mapping_review_2026_05_05 | CORRECTED | MAPPED | Changed identifier from CHEBI:31206 to kgmicrobe.compound:tetramethyl_ammonium_chloride and retained CHEBI:46020 only as CLOSE_MATCH. No exact local ontology term for tetramethylammonium chloride was verified; retained as a kg-microbe compound with a non-identity link to the tetramethylammonium cation. |
| 2026-08-27T03:16:39.519952+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 0/0 -> 3/3 (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] | |
| 2026-09-11T06:31:23.789310+00:00 | fix_salt_ion_identity_overclaims | REJECTED_ION_SYNONYMS | Marked cation/other-salt synonym(s) as REJECTED_LABEL so they cannot leak through SSSOM `other`: 'N,N,N-trimethylmethanaminium' (#315). |