Formic acid

Ontology mapping

Primary identifier: CHEBI:30751
Ontology label: formic acid

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 (12)

Synonym	Type	Source
(sodium salt)	RAW_TEXT	CultureMech
Acide formique	EXACT_SYNONYM	kg_microbe
Ameisensaeure	EXACT_SYNONYM	kg_microbe
H-COOH	EXACT_SYNONYM	kg_microbe
HCO2H	EXACT_SYNONYM	kg_microbe
HCOOH	EXACT_SYNONYM	kg_microbe
Methanoic acid	EXACT_SYNONYM	kg_microbe
aminic acid	EXACT_SYNONYM	kg_microbe
bilorin	EXACT_SYNONYM	kg_microbe
formylic acid	EXACT_SYNONYM	kg_microbe
hydrogen carboxylic acid	EXACT_SYNONYM	kg_microbe
methoic acid	EXACT_SYNONYM	kg_microbe

Chemical properties

Cas rn: 64-18-6
Data source: PubChem API
Retrieval date: 2026-04-05T19:52:10.907706+00:00
Molecular formula: CH2O2
Inchi: InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)
Smiles: [H]C(=O)O

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences: 2
Distinct media: 2

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
2026-04-05T19:52:10.907755+00:00	fetch_cas_rn_from_pubchem	ADDED_CAS_RN	MAPPED	Added CAS-RN:64-18-6 from PubChem API via name lookup (Formic acid)
2026-04-18T00:00:00+00:00	cbclaw_kg_microbe_sweep LLM	ADDED_SYNONYMS	MAPPED	Added 11 synonyms from kg-microbe P4.4 enrichment: Acide formique, Ameisensaeure, H-COOH, HCO2H, HCOOH, ... (6 more)
2026-05-01T07:35:33.677917+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:29.653366+00:00	auto_classify_ingredient_type	AUTO_BACKFILL_CHEBI_CHEMISTRY		molecular_formula=CH2O2; inchi=InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3); smiles=[H]C(=O)O
2026-05-02T03:12:14.557350+00:00	auto_classify_ingredient_type	AUTO_CLASSIFY_INGREDIENT_TYPE		set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-03T03:22:14.587313+00:00	infer_roles_from_name_lists	ANNOTATED		Added media role: CARBON_SOURCE (confidence: 0.80)
2026-06-04T05:38:59.200769+00:00	infer_energy_source	ANNOTATED		Added media role: ENERGY_SOURCE (confidence: 0.70)
2026-06-09T05:23:46.766242+00:00	correct_stale_ontology_labels.py	CORRECTED		ontology_label 'Formic acid' -> 'formic acid': synced to canonical CHEBI label (preferred_term 'Formic acid' 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
2026-08-27T03:16:39.518904+00:00	refresh_occurrence_statistics	CORRECTED		occurrence_statistics 1/1 -> 2/2 (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]