Ethylene glycol

CHEBI:30742 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:30742
Ontology label
ethylene glycol

Nutritional roles

Synonyms (8)

SynonymTypeSourceOccurrences
1,2-Dihydroxyethane EXACT_SYNONYM kg_microbe
1,2-ETHANEDIOL EXACT_SYNONYM kg_microbe
2-Hydroxyethanol EXACT_SYNONYM kg_microbe
Ethanediol EXACT_SYNONYM kg_microbe
Glycol EXACT_SYNONYM kg_microbe
HO-CH2-CH2-OH EXACT_SYNONYM kg_microbe
Monoethylene glycol EXACT_SYNONYM kg_microbe
ethane-1,2-diol EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
107-21-1
Data source
PubChem API
Retrieval date
2026-04-05T19:52:02.417750+00:00
Molecular formula
C2H6O2
Inchi
InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
Smiles
OCCO

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
26
Distinct media
26

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:52:02.417800+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:107-21-1 from PubChem API via name lookup (Ethylene glycol)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 8 synonyms from kg-microbe P4.4 enrichment: 1,2-Dihydroxyethane, 1,2-ETHANEDIOL, 2-Hydroxyethanol, Ethanediol, Glycol, ... (3 more)
2026-05-01T07:35:33.474557+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:29.453134+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C2H6O2; inchi=InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2; smiles=OCCO
2026-05-02T03:12:14.297328+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-06-09T04:56:30.247891+00:00 claude_in_session_curation ANNOTATED Added media role: CARBON_SOURCE (confidence: 0.60)
2026-06-09T05:23:46.762168+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'Ethylene glycol' -> 'ethylene glycol': synced to canonical CHEBI label (preferred_term 'Ethylene glycol' 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
2026-08-27T03:16:39.518805+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 25/25 -> 26/26 (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]