Ontology mapping
- Primary identifier
-
CHEBI:37070 - Ontology label
- 2-methylbutyric acid
- kg-microbe node
CHEBI:37070
Nutritional roles
- Role
- CARBON_SOURCE
- Confidence
- 1.0
- Evidence
- Reference type
- DATABASE_ENTRY
- Reference text
- Imported from CultureMech pipeline
- Curator note
- Original role text: Carbon Source
Synonyms (15)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Carbon source; Properties: Organic compound, Defined component, Simple component | RAW_TEXT | CultureMech | |
| 2-Methyl-butyric acid | EXACT_SYNONYM | kg_microbe | |
| 2-Methylbutyric acid | EXACT_SYNONYM | kg_microbe | |
| 2-methybutyric acid | EXACT_SYNONYM | kg_microbe | |
| DL-2-Methyl butyric acid | EXACT_SYNONYM | kg_microbe | |
| DL-alpha-Methyl butyric acid | EXACT_SYNONYM | kg_microbe | |
| DL-α-Methyl butyric acid | EXACT_SYNONYM | kg_microbe | |
| alpha-Methylbutyric acid | EXACT_SYNONYM | kg_microbe | |
| alpha-methyl butyric acid | EXACT_SYNONYM | kg_microbe | |
| butane-2-carboxylic acid | EXACT_SYNONYM | kg_microbe | |
| ethylmethylacetic acid | EXACT_SYNONYM | kg_microbe | |
| methylethylacetic acid | EXACT_SYNONYM | kg_microbe | |
| α-Methylbutyric acid | EXACT_SYNONYM | kg_microbe | |
| Role: Carbon source; Properties: Organic compound, Simple component, Defined component | RAW_TEXT | CultureMech | |
| 2-methylbutanoic acid | EXACT_SYNONYM | chebi_synonym_review |
Chemical properties
- Cas rn
- 116-53-0
- Data source
- PubChem (via CHEBI:37070)
- Retrieval date
- 2026-04-09T00:32:50.689620+00:00
- Molecular formula
- C5H10O2
- Inchi
- InChI=1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)
- Smiles
- CCC(C)C(=O)O
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 23
- Distinct media
- 23
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 |
| 2026-04-05T19:50:52.765705+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | MAPPED | Added CAS-RN:116-53-0 from PubChem API via name lookup (2-Methyl-butyric acid) |
| 2026-04-05T21:52:12.662639+00:00 | fetch_cas_rn_from_cactus | ADDED_CAS_RN | MAPPED | Added CAS-RN:116-53-0 from NCI CACTUS via name lookup (2-Methylbutyric acid) |
| 2026-04-05T21:52:23.740431+00:00 | fetch_cas_rn_from_cactus | ADDED_CAS_RN | MAPPED | Added CAS-RN:116-53-0 from NCI CACTUS via name lookup (alpha-Methylbutyric acid) |
| 2026-04-05T23:44:07.887106+00:00 | fetch_cas_rn_with_preprocessing | ADDED_CAS_RN | MAPPED | Added CAS-RN:116-53-0 from PubChem API (ontology label) via name preprocessing (DL-2-Methyl butyric acid) |
| 2026-04-05T23:47:17.609974+00:00 | fetch_cas_rn_with_preprocessing | ADDED_CAS_RN | MAPPED | Added CAS-RN:116-53-0 from PubChem API (ontology label) via name preprocessing (α-Methylbutyric acid) |
| 2026-04-09T00:32:50.689620+00:00 | enrich_mim_cas_rn_batch | CAS_RN_ADDED | MAPPED | Added CAS-RN 116-53-0 from PubChem (via CHEBI:37070) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: 2-Methyl-butyric acid, 2-Methylbutyric acid, 2-methybutyric acid, DL-2-Methyl butyric acid, DL-alpha-Methyl butyric acid, ... (7 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: 2-Methyl-butyric acid, 2-methybutyric acid, DL-2-Methyl butyric acid, DL-2-Methylbutyric acid, DL-alpha-Methyl butyric acid, ... (7 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 12 synonyms from kg-microbe P4.4 enrichment: 2-Methyl-butyric acid, 2-Methylbutyric acid, 2-methybutyric acid, DL-2-Methyl butyric acid, DL-2-Methylbutyric acid, ... (7 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 11 synonyms from kg-microbe P4.4 enrichment: 2-Methyl-butyric acid, 2-methybutyric acid, DL-2-Methylbutyric acid, DL-alpha-Methyl butyric acid, DL-α-Methyl butyric acid, ... (6 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 11 synonyms from kg-microbe P4.4 enrichment: 2-methybutyric acid, DL-2-Methyl butyric acid, DL-2-Methylbutyric acid, DL-alpha-Methyl butyric acid, DL-α-Methyl butyric acid, ... (6 more) |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 11 synonyms from kg-microbe P4.4 enrichment: 2-Methyl-butyric acid, 2-methybutyric acid, DL-2-Methyl butyric acid, DL-2-Methylbutyric acid, DL-alpha-Methyl butyric acid, ... (6 more) |
| 2026-04-19T07:39:23.955331+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 6 duplicate MIM record(s) into this one: 2-methylbutyric_Acid.yaml, Alpha-methylbutyric_Acid.yaml, Dl-alpha-methyl_Butyric_Acid.yaml, Dl-2-methyl_Butyric_Acid.yaml, 2-methyl-butyric_Acid.yaml, Α-methylbutyric_Acid.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:33.324918+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:29.292903+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C5H10O2; inchi=InChI=1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6; smiles=CCC(C)C(=O)O | |
| 2026-05-02T03:12:14.099565+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.110987+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: CARBON_SOURCE (confidence: 1.00) | |
| 2026-06-09T05:23:46.757679+00:00 | correct_stale_ontology_labels.py | CORRECTED | ontology_label 'DL-2-Methylbutyric acid' -> '2-methylbutyric acid': synced to canonical CHEBI label (preferred_term 'DL-2-Methylbutyric acid' unchanged). | |
| 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 | |
| 2026-08-27T03:16:39.518753+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 77/77 -> 23/23 (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] |