5-fluorouracil

CHEBI:46345 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:46345

Synonyms (1)

SynonymTypeSourceOccurrences
5-fluoropyrimidine-2,4(1H,3H)-dione EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
51-21-8
Data source
CultureBotHT compounds_to_cas.csv
Retrieval date
2026-04-29T06:04:17.380972+00:00
Molecular formula
C4H3FN2O2
Inchi
InChI=1S/C4H3FN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,7,8,9)
Smiles
O=c1ncc(F)c(=O)n1

Evidence (1)

DATABASE_MATCH via CultureBotHT

Imported from CultureBotHT. FEBA/Hans80 panels: Hans80Anti.

Occurrence statistics

Total occurrences
1
Distinct media
1

Curation history

TimestampCuratorActionNew statusChanges
2026-04-29T06:04:17.380972+00:00 audit_integrate_culturebotht CREATED_FROM_CULTUREBOTHT MAPPED Created from CultureBotHT compounds_to_cas.csv (CAS=51-21-8); Imported from CultureBotHT. FEBA/Hans80 panels: Hans80Anti.
2026-05-01T07:35:31.963971+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:27.793971+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=C4H3FN2O2; inchi=InChI=1S/C4H3FN2O2/c5-2-1-6-4(9)7-3(2)8/h1H,(H2,6,; smiles=O=c1ncc(F)c(=O)n1
2026-05-02T03:12:12.173400+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-08-27T03:16:39.518282+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 0/0 -> 1/1 (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]