Na2B4O7

CHEBI:38892 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:38892
Ontology label
disodium tetraborate
kg-microbe node
CHEBI:38892

Nutritional roles

Synonyms (4)

SynonymTypeSourceOccurrences
Role: Mineral source; Properties: Defined component, Inorganic compound, Simple component RAW_TEXT CultureMech
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component RAW_TEXT CultureMech
disodium tetraborate EXACT_SYNONYM kg_microbe
sodium 1,3,5,7-tetrahydroxybicyclo[3.3.1]tetraboroxane-1,5-diide EXACT_SYNONYM kg_microbe

Chemical properties

Cas rn
1330-43-4
Data source
PubChem API
Retrieval date
2026-04-05T19:53:16.307703+00:00
Molecular formula
H4B4O9.2Na
Inchi
InChI=1S/B4H4O9.2Na/c5-1-9-3(7)11-2(6)12-4(8,10-1)13-3;;/h5-8H;;/q-2;2*+1
Smiles
[H]OB1O[B-]2(O[H])OB(O[H])O[B-](O[H])(O1)O2.[Na+].[Na+]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
9
Distinct media
9

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T19:53:16.307749+00:00 fetch_cas_rn_from_pubchem ADDED_CAS_RN MAPPED Added CAS-RN:1330-43-4 from PubChem API via name lookup (Na2B4O7)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 2 synonyms from kg-microbe P4.4 enrichment: disodium tetraborate, sodium 1,3,5,7-tetrahydroxybicyclo[3.3.1]tetraboroxane-1,5-diide
2026-05-01T07:35:35.122507+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:31.187934+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=H4B4O9.2Na; inchi=InChI=1S/B4H4O9.2Na/c5-1-9-3(7)11-2(6)12-4(8,10-1); smiles=[H]OB1O[B-]2(O[H])OB(O[H])O[B-](O[H])(O1)O2.[Na+].
2026-05-02T03:12:16.921291+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-29T23:35:36.112111+00:00 extract_roles_from_synonyms ANNOTATED Added media role: MINERAL (confidence: 1.00)
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): MINERAL -> nutritional_roles.TRACE_ELEMENT
2026-08-27T03:16:39.519444+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 8/8 -> 9/9 (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]