L-alliin

CHEBI:2596 chemically defined MAPPED CHEBI CAS_RN_LOOKUP

Ontology mapping

Primary identifier
CHEBI:2596
Ontology label
alliin

Nutritional roles

Synonyms (1)

SynonymTypeSourceOccurrences
3-[(S)-prop-2-ene-1-sulfinyl]-L-alanine EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
556-27-4
Data source
CultureBotHT compounds_to_cas.csv
Retrieval date
2026-04-29T06:34:31.158938+00:00
Molecular formula
C6H11NO3S
Inchi
InChI=1S/C6H11NO3S/c1-2-3-11(10)4-5(7)6(8)9/h2,5H,1,3-4,7H2,(H,8,9)/t5-,11-/m0/s1
Smiles
C=CC[S@](=O)C[C@H](N)C(=O)O

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=556-27-4; CHEBI resolved via OAK CHEBI sqlite (cas xref); Imported from CultureBotHT. CAS-RN→CHEBI mapping resolved via OAK CHEBI sqlite (cas xref).
2026-05-01T07:35:34.285757+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:30.287519+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C6H11NO3S; inchi=InChI=1S/C6H11NO3S/c1-2-3-11(10)4-5(7)6(8)9/h2,5H,; smiles=C=CC[S@](=O)C[C@H](N)C(=O)O
2026-05-02T03:12:15.430678+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-30T00:34:39.488828+00:00 infer_roles_from_chebi_ancestry ANNOTATED Added media role: AMINO_ACID_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): AMINO_ACID_SOURCE -> nutritional_roles.AMINO_ACID_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 'alliin'; it matches the ChEBI synonym '(+)-L-Alliin' on CHEBI:2596. 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 556-27-4 uniquely resolves by ChEBI xref to CHEBI:2596 'alliin'. 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.