Ontology mapping
- Primary identifier
-
CHEBI:15676 - Ontology label
- allantoin
Nutritional roles
- Role
- NITROGEN_SOURCE
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Nitrogen Source
Synonyms (9)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Nitrogen source; Properties: Defined component, Organic compound, Simple component | RAW_TEXT | CultureMech | |
| (2,5-Dioxo-4-imidazolidinyl)urea | EXACT_SYNONYM | kg_microbe | |
| 2,5-Dioxo-4-imidazolidinyl-urea | EXACT_SYNONYM | kg_microbe | |
| 4-ureido-2,5-imidazolidinedione | EXACT_SYNONYM | kg_microbe | |
| 5-Ureido-2,4-imidazolidindione | EXACT_SYNONYM | kg_microbe | |
| 5-Ureidohydantoin | EXACT_SYNONYM | kg_microbe | |
| Glyoxyldiureide | EXACT_SYNONYM | kg_microbe | |
| N-(2,5-Dioxo-4-imidazolidinyl)urea | EXACT_SYNONYM | kg_microbe | |
| N-(2,5-dioxoimidazolidin-4-yl)urea | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 97-59-6
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:51:02.547387+00:00
- Molecular formula
- C4H6N4O3
- Inchi
- InChI=1S/C4H6N4O3/c5-3(10)6-1-2(9)8-4(11)7-1/h1H,(H3,5,6,10)(H2,7,8,9,11)
- Smiles
- NC(=O)NC1NC(=O)NC1=O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 5
- Distinct media
- 5
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 |
| 2026-04-05T19:51:02.547420+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:97-59-6 from PubChem API via name lookup (Allantoin) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 8 synonyms from kg-microbe P4.4 enrichment: (2,5-Dioxo-4-imidazolidinyl)urea, 2,5-Dioxo-4-imidazolidinyl-urea, 4-ureido-2,5-imidazolidinedione, 5-Ureido-2,4-imidazolidindione, 5-Ureidohydantoin, ... (3 more) |
| 2026-05-01T07:35:32.124743+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:27.946480+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C4H6N4O3; inchi=InChI=1S/C4H6N4O3/c5-3(10)6-1-2(9)8-4(11)7-1/h1H,(; smiles=NC(=O)NC1NC(=O)NC1=O | |
| 2026-05-02T03:12:12.398512+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.110121+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: NITROGEN_SOURCE (confidence: 1.00) | |
| 2026-06-09T05:23:46.722281+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Allantoin' -> 'allantoin': synced to canonical CHEBI label (preferred_term 'Allantoin' 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 | |
| 2026-08-27T03:16:39.518334+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 4/4 -> 5/5 (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] |