Ontology mapping
- Primary identifier
-
CHEBI:17821 - Ontology label
- thymine
Synonyms (8)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Cross-references: KEGG:thym | RAW_TEXT | CultureMech | |
| Role: Growth factor; Properties: Organic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| 2,4-dihydroxy-5-methylpyrimidine | EXACT_SYNONYM | kg_microbe | |
| 5-Methyluracil | EXACT_SYNONYM | kg_microbe | |
| 5-methyl-2,4(1H,3H)-pyrimidinedione | EXACT_SYNONYM | kg_microbe | |
| 5-methylpyrimidine-2,4(1H,3H)-dione | EXACT_SYNONYM | kg_microbe | |
| Thy | EXACT_SYNONYM | kg_microbe | |
| Thymin | EXACT_SYNONYM | kg_microbe |
Chemical properties
- Cas rn
- 65-71-4
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:54:06.238212+00:00
- Molecular formula
- C5H6N2O2
- Inchi
- InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2,6,7,8,9)
- Smiles
- Cc1cnc(=O)nc1=O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 33
- Distinct media
- 33
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | MAPPED | Initial import from CultureMech pipeline |
| 2026-04-05T19:54:06.238240+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:65-71-4 from PubChem API via name lookup (Thymine) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 6 synonyms from kg-microbe P4.4 enrichment: 2,4-dihydroxy-5-methylpyrimidine, 5-Methyluracil, 5-methyl-2,4(1H,3H)-pyrimidinedione, 5-methylpyrimidine-2,4(1H,3H)-dione, Thy, ... (1 more) |
| 2026-05-01T07:35:36.649164+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:32.727231+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C5H6N2O2; inchi=InChI=1S/C5H6N2O2/c1-3-2-6-5(9)7-4(3)8/h2H,1H3,(H2; smiles=Cc1cnc(=O)nc1=O | |
| 2026-05-02T03:12:18.891596+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-06-09T05:23:46.844079+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'Thymine' -> 'thymine': synced to canonical CHEBI label (preferred_term 'Thymine' unchanged). | |
| 2026-08-27T03:16:39.519975+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 11/11 -> 33/33 (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] |