Laminaribiose

CHEBI:18411 chemically defined MAPPED CHEBI CAS_RN_LOOKUP

Ontology mapping

Primary identifier
CHEBI:18411
Ontology label
laminarabiose

Nutritional roles

Synonyms (1)

SynonymTypeSourceOccurrences
beta-D-glucopyranosyl-(1->3)-D-glucopyranose EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
34980-39-7
Data source
CultureBotHT compounds_to_cas.csv
Retrieval date
2026-04-29T06:34:31.158938+00:00
Molecular formula
C12H22O11
Inchi
InChI=1S/C12H22O11/c13-1-3-5(15)7(17)8(18)12(22-3)23-10-6(16)4(2-14)21-11(20)9(10)19/h3-20H,1-2H2/t3-,4-,5-,6-,7+,8-,9-,10+,11?,12+/m1/s1
Smiles
OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](CO)OC(O)[C@@H]2O)[C@H](O)[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=34980-39-7; CHEBI resolved via OAK CHEBI sqlite (cas xref); Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref).
2026-05-01T07:35:34.480083+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.502597+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C12H22O11; inchi=InChI=1S/C12H22O11/c13-1-3-5(15)7(17)8(18)12(22-3); smiles=OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](CO)OC(O)[C@@
2026-05-02T03:12:15.701015+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.504830+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
2026-08-10T00:00:00+00:00 regrade_synonym_matches REGRADED_EXACT_TO_SYNONYM mapping_quality EXACT_MATCH -> SYNONYM_MATCH (#317). The record's label does not equal the term's primary label 'laminarabiose'; it matches the ChEBI synonym 'Laminaribiose' on CHEBI:18411. The schema defines EXACT_MATCH as a direct match to the term and SYNONYM_MATCH as a match to a known synonym, so the recorded grade overstated. ontology_id is unchanged — the term is correct. The SSSOM predicate is unaffected (both grades emit skos:exactMatch).
2026-08-24T00:00:00+00:00 regrade_synonym_matches REGRADED_TO_CAS_RN_LOOKUP mapping_quality SYNONYM_MATCH -> CAS_RN_LOOKUP (#317). The record was created by an explicit CAS-to-ChEBI lookup and its current CAS RN 34980-39-7 uniquely resolves by ChEBI xref to CHEBI:18411 'laminarabiose'. CAS_RN_LOOKUP records the method that established this mapping; a lexical grade would discard that provenance. ontology_id is unchanged. The own-identifier SSSOM predicate remains skos:exactMatch under Rule D (#438), independently of mapping quality.