Levan - from Erwinia herbicola

CHEBI:16703 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:16703
Ontology label
(2->6)-beta-D-fructan

Nutritional roles

Synonyms (1)

SynonymTypeSourceOccurrences
(2->6)-beta-D-fructofuranan EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
9013-95-0
Data source
CultureBotHT compounds_to_cas.csv
Retrieval date
2026-04-29T06:34:31.158938+00:00
Molecular formula
(C6H10O5)n.C12H22O11
Inchi
InChI=1S/C18H32O16/c19-1-7-10(23)14(27)17(5-21,33-7)31-3-9-12(25)15(28)18(6-22,34-9)30-2-8-11(24)13(26)16(29,4-20)32-8/h7-15,19-29H,1-6H2/t7-,8-,9-,10-,11-,12-,13+,14+,15+,16-,17-,18-/m1/s1
Smiles
OC[C@H]1O[C@@](CO)(OC[C@H]2O[C@@](CO)(OC[C@H]3O[C@](O)(CO)[C@@H](O)[C@@H]3O)[C@@H](O)[C@@H]2O)[C@@H](O)[C@@H]1O

Evidence (1)

DATABASE_MATCH via CultureBotHT

Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref).

Occurrence statistics

Total occurrences
0
Distinct media
0

Curation history

TimestampCuratorActionNew statusChanges
2026-04-29T06:34:31.158938+00:00 audit_cas_chebi_followup CREATED_FROM_CAS_LOOKUP MAPPED Created from CultureBotHT CAS-RN=9013-95-0; CHEBI resolved via OAK CHEBI sqlite (cas xref); Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref).
2026-05-01T07:35:34.502345+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.528280+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=(C6H10O5)n.C12H22O11; inchi=InChI=1S/C18H32O16/c19-1-7-10(23)14(27)17(5-21,33-; smiles=OC[C@H]1O[C@@](CO)(OC[C@H]2O[C@@](CO)(OC[C@H]3O[C@
2026-05-02T03:12:15.738014+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.509206+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: CARBON_SOURCE (confidence: 0.70)
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