Ontology mapping
- Primary identifier
-
CHEBI:63038 - Ontology label
- ammonium nitrate
- kg-microbe node
CHEBI:63038
Nutritional roles
- Role
- NITROGEN_SOURCE
- Confidence
- 1.0
- Evidence
- Reference text
- CultureMech database (257 occurrences as 'Nitrogen source')
- Reference type
- DATABASE_ENTRY
- Url
- https://github.com/CultureBotAI/CultureMech
- Excerpt
- Role: Nitrogen source; Properties: Inorganic compound, Defined component, Simple component
- Curator note
- Widespread use in media formulations (257 occurrences). High confidence based on 'Defined component' property.
Synonyms (17)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Nitrogen source; Properties: Inorganic compound, Defined component, Simple component | RAW_TEXT | CultureMech | |
| Ammonium Nitrate | EXACT_SYNONYM | kg_microbe | |
| Ammonium nitricum | EXACT_SYNONYM | kg_microbe | |
| Ammonium saltpeter | EXACT_SYNONYM | kg_microbe | |
| Ammonium(I) nitrate (1:1) | EXACT_SYNONYM | kg_microbe | |
| NH4NO3 | EXACT_SYNONYM | kg_microbe | |
| Nitrate d'ammonium | EXACT_SYNONYM | kg_microbe | |
| Nitrate of ammonia | EXACT_SYNONYM | kg_microbe | |
| Nitrato amonico | EXACT_SYNONYM | kg_microbe | |
| Nitric acid ammonium salt (1:1) | EXACT_SYNONYM | kg_microbe | |
| Nitric acid, ammonium salt | EXACT_SYNONYM | kg_microbe | |
| NH4NO | RAW_TEXT | merged_from_unmapped_duplicate_review_2026_05_11 | |
| NH4NO3(CAS: 6484-52-2) | RAW_TEXT | merged_from_unmapped_duplicate_review_2026_05_11 | |
| Role: Nitrogen source; Properties: Defined component, Inorganic compound, Simple component | RAW_TEXT | CultureMech | |
| Role: Nitrogen source; Properties: Defined component, Simple component, Inorganic compound | RAW_TEXT | CultureMech | |
| Role: Nitrogen source; Properties: Inorganic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| Role: Nitrogen source; Properties: Simple component, Defined component, Inorganic compound | RAW_TEXT | CultureMech |
Chemical properties
- Cas rn
- 6484-52-2
- Data source
- OAK/CHEBI xref
- Retrieval date
- 2026-04-19T07:39:40.088267+00:00
- Molecular formula
- H4N.NO3
- Inchi
- InChI=1S/NO3.H3N/c2-1(3)4;/h;1H3/q-1;/p+1
- Smiles
- O=[N+]([O-])[O-].[NH4+]
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 301
- Distinct media
- 301
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 |
| 2026-04-05T19:51:05.957931+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:6484-52-2 from PubChem API via name lookup (Ammonium nitrate) |
| 2026-04-05T21:48:44.729640+00:00 | fetch_cas_rn_from_culturebot_csv | ADDED_CAS_RN | MAPPED | Added CAS-RN:6484-52-2 from CultureBotHT compounds_to_cas.csv (matched: Ammonium Nitrate) |
| 2026-04-05T23:46:41.014761+00:00 | fetch_cas_rn_with_preprocessing | ADDED_CAS_RN | MAPPED | Added CAS-RN:14797-55-8 from PubChem API (preprocessed) via name preprocessing ((NH4)NO3) |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 6484-52-2 from PubChem (via CHEBI:63038) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 10 synonyms from kg-microbe P4.4 enrichment: Ammonium Nitrate, Ammonium nitricum, Ammonium saltpeter, Ammonium(I) nitrate (1:1), NH4NO3, ... (5 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 10 synonyms from kg-microbe P4.4 enrichment: (NH4)NO3, Ammonium Nitrate, Ammonium nitricum, Ammonium saltpeter, Ammonium(I) nitrate (1:1), ... (5 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 10 synonyms from kg-microbe P4.4 enrichment: (NH4)NO3, Ammonium nitricum, Ammonium saltpeter, Ammonium(I) nitrate (1:1), NH4NO3, ... (5 more) |
| 2026-04-19T07:39:40.088622+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 3 duplicate MIM record(s) into this one: Nh4no3_2.yaml, Ammonium_Nitrate.yaml, Ammonium_Nitrate_2.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-04-19T07:39:40.088267+00:00 | audit_resolve_risky_cas_rn | RESOLVED_CAS_RN_CONFLICT | MAPPED | CAS-RN conflict across merged group (14797-55-8|6484-52-2) resolved via OAK canonical xref: 6484-52-2 (match) |
| 2026-05-01T07:35:35.504591+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:31.596013+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=H4N.NO3; inchi=InChI=1S/NO3.H3N/c2-1(3)4;/h;1H3/q-1;/p+1; smiles=O=[N+]([O-])[O-].[NH4+] | |
| 2026-05-02T03:12:17.376741+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-11T10:20:00Z | mediaingredientmech-agentic-curation LLM | ABSORBED_UNMAPPED_DUPLICATE | MAPPED | Absorbed duplicate unmapped record Nh4no.yaml (UNMAPPED_0037); raw source synonym NH4NO3(CAS 6484-52-2) matches local ammonium nitrate CHEBI:63038. |
| 2026-05-29T23:35:36.112439+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: NITROGEN_SOURCE (confidence: 1.00) | |
| 2026-06-09T05:23:46.812264+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label '(NH4)NO3' -> 'ammonium nitrate': synced to canonical CHEBI label (preferred_term '(NH4)NO3' unchanged). | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): NITROGEN_SOURCE -> nutritional_roles.NITROGEN_SOURCE | |
| 2026-08-27T03:16:39.519609+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 120/257 -> 301/301 (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] |