Ontology mapping
- Primary identifier
-
CHEBI:17997 - Ontology label
- dinitrogen
Synonyms (8)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| N2 | ABBREVIATION | manual | |
| dinitrogen | SYSTEMATIC_NAME | manual | |
| Nitrogen | COMMON_NAME | manual | |
| Nitrogen (gas) | COMMON_NAME | manual | |
| #N2 | EXACT_SYNONYM | kg_microbe | |
| N#N | EXACT_SYNONYM | kg_microbe | |
| N(2) | EXACT_SYNONYM | kg_microbe | |
| molecular nitrogen | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Molecular formula
- N2
- Inchi
- InChI=1S/N2/c1-2
- Smiles
- N#N
- Data source
- CHEBI sqlite (oaklib)
Evidence (1)
CURATOR_JUDGMENT
via manual curation
Gaseous N2 used in anaerobic media headspace; dinitrogen CHEBI:17997
Occurrence statistics
- Total occurrences
- 1,109
- Distinct media
- 980
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-04-16T00:00:00+00:00 | manual | CREATED | MAPPED | Created MIM record for anaerobic headspace gas N2 (dinitrogen) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 4 synonyms from kg-microbe P4.4 enrichment: #N2, N#N, N(2), molecular nitrogen |
| 2026-05-01T07:35:35.595373+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:31.698303+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=N2; inchi=InChI=1S/N2/c1-2; smiles=N#N | |
| 2026-05-02T03:12:17.492341+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-08-27T03:16:39.519638+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 0/0 -> 980/1109 (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] |