Na2-fumarate

Ontology mapping

Primary identifier: CHEBI:115156
Ontology label: disodium fumarate
kg-microbe node: CHEBI:115156

Nutritional roles

Role
CARBON_SOURCE
Confidence
0.8
Evidence
- Reference type
  COMPUTATIONAL_PREDICTION
  Reference text
  Inferred from curated media-role name pattern
  Curator note
  Provisional role from a curated name-pattern rule; review recommended.
Role
ENERGY_SOURCE
Confidence
0.7
Evidence
- Reference type
  COMPUTATIONAL_PREDICTION
  Reference text
  Canonical energy substrate (catabolised for energy)
  Curator note
  Provisional ENERGY_SOURCE added alongside CARBON_SOURCE; review recommended.

Synonyms (11)

Synonym	Type	Source
Properties: Defined component, Simple component, Organic compound	RAW_TEXT	CultureMech
Properties: Simple component, Organic compound, Defined component	RAW_TEXT	CultureMech
Disodium fumarate	EXACT_SYNONYM	kg_microbe
E365	EXACT_SYNONYM	kg_microbe
Fumaric acid, disodium salt	EXACT_SYNONYM	kg_microbe
Na-fumarate	EXACT_SYNONYM	kg_microbe
Sodium fumarate	EXACT_SYNONYM	kg_microbe
disodium (2E)-but-2-enedioate	EXACT_SYNONYM	kg_microbe
Properties: Defined component, Organic compound, Simple component	RAW_TEXT	CultureMech
Properties: Organic compound, Simple component, Defined component	RAW_TEXT	CultureMech
Properties: Defined component, Organic compound, Solution	RAW_TEXT	CultureMech

Chemical properties

Cas rn: 17013-01-3
Data source: PubChem (via CHEBI:115156)
Retrieval date: 2026-04-09T00:32:50.689620+00:00
Molecular formula: C4H2O4.2Na
Inchi: InChI=1S/C4H4O4.2Na/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,6)(H,7,8);;/q;2*+1/p-2/b2-1+;;
Smiles: O=C([O-])/C=C/C(=O)[O-].[Na+].[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences: 135
Distinct media: 135

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
2026-04-05T19:51:51.478659+00:00	fetch_cas_rn_from_pubchem	ADDED_CAS_RN	MAPPED	Added CAS-RN:17013-01-3 from PubChem API via name lookup (Disodium fumarate)
2026-04-05T21:48:45.769171+00:00	fetch_cas_rn_from_culturebot_csv	ADDED_CAS_RN	MAPPED	Added CAS-RN:17013-01-3 from CultureBotHT compounds_to_cas.csv (matched: Sodium fumarate)
2026-04-05T21:48:45.771265+00:00	fetch_cas_rn_from_culturebot_csv	ADDED_CAS_RN	MAPPED	Added CAS-RN:17013-01-3 from CultureBotHT compounds_to_cas.csv (matched: sodium fumarate)
2026-04-05T23:45:37.359364+00:00	fetch_cas_rn_with_preprocessing	ADDED_CAS_RN	MAPPED	Added CAS-RN:7704-73-6 from PubChem API (preprocessed) via name preprocessing (Na-fumarate)
2026-04-09T00:32:50.689620+00:00	enrich_mim_cas_rn_batch	CAS_RN_ADDED	MAPPED	Added CAS-RN 17013-01-3 from PubChem (via CHEBI:115156)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 6 synonyms from kg-microbe P4.4 enrichment: Disodium fumarate, E365, Fumaric acid, disodium salt, Na-fumarate, Sodium fumarate, ... (1 more)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 6 synonyms from kg-microbe P4.4 enrichment: Disodium fumarate, E365, Fumaric acid, disodium salt, Na-fumarate, Na2-fumarate, ... (1 more)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 6 synonyms from kg-microbe P4.4 enrichment: E365, Fumaric acid, disodium salt, Na-fumarate, Na2-fumarate, Sodium fumarate, ... (1 more)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 6 synonyms from kg-microbe P4.4 enrichment: Disodium fumarate, E365, Fumaric acid, disodium salt, Na2-fumarate, Sodium fumarate, ... (1 more)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 5 synonyms from kg-microbe P4.4 enrichment: E365, Fumaric acid, disodium salt, Na-fumarate, Na2-fumarate, disodium (2E)-but-2-enedioate
2026-04-19T07:39:40.088622+00:00	audit_mim_merge	MERGED_FROM_DUPLICATES	MAPPED	Absorbed 4 duplicate MIM record(s) into this one: Sodium_Fumarate.yaml, Disodium_Fumarate.yaml, Na-fumarate.yaml, Sodium_Fumarate_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 (17013-01-3\|7704-73-6) resolved via OAK canonical xref: 17013-01-3 (match)
2026-05-01T07:35:35.106581+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:31.172149+00:00	auto_classify_ingredient_type	AUTO_BACKFILL_CHEBI_CHEMISTRY		molecular_formula=C4H2O4.2Na; inchi=InChI=1S/C4H4O4.2Na/c5-3(6)1-2-4(7)8;;/h1-2H,(H,5,; smiles=O=C([O-])/C=C/C(=O)[O-].[Na+].[Na+]
2026-05-02T03:12:16.903396+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-03T03:22:14.591976+00:00	infer_roles_from_name_lists	ANNOTATED		Added media role: CARBON_SOURCE (confidence: 0.80)
2026-06-04T05:38:59.201102+00:00	infer_energy_source	ANNOTATED		Added media role: ENERGY_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.805395+00:00	correct_stale_ontology_labels.py	CORRECTED		ontology_label 'Na2-fumarate' -> 'disodium fumarate': synced to canonical CHEBI label (preferred_term 'Na2-fumarate' unchanged).
2026-07-20T00:00:00+00:00	migrate_media_roles_to_facets	ANNOTATED		Migrated legacy media_roles to role facets (#128): CARBON_SOURCE -> nutritional_roles.CARBON_SOURCE; ENERGY_SOURCE -> nutritional_roles.ENERGY_SOURCE
2026-08-27T03:16:39.519437+00:00	refresh_occurrence_statistics	CORRECTED		occurrence_statistics 94/94 -> 135/135 (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]