Ontology mapping
- Primary identifier
-
CHEBI:17201 - Ontology label
- glycylglycine
- Notes
- CultureMech placeholder_id: 5
Physicochemical roles
- Role
- BUFFER
- Confidence
- 0.6
- Evidence
- Reference type
- COMPUTATIONAL_PREDICTION
- Reference text
- Assigned by in-session Claude reasoning (no external API)
- Curator note
- Provisional in-session LLM role assignment; review recommended.
Synonyms (1)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Glycylglycine(CAS: 556-50-3) | RAW_TEXT | CultureMech |
Chemical properties
- Cas rn
- 556-50-3
- Data source
- PubChem API
- Retrieval date
- 2026-04-05T19:54:32.781605+00:00
- Molecular formula
- C4H8N2O3
- Inchi
- InChI=1S/C4H8N2O3/c5-1-3(7)6-2-4(8)9/h1-2,5H2,(H,6,7)(H,8,9)
- Smiles
- NCC(=O)NCC(=O)O
Evidence (1)
DATABASE_MATCH
via CHEBI via OLS search (resolve_unmapped)
Auto-upgraded from UNMAPPED_0052; matched via 'Glycylglycine' (name normalization); label-exact
Occurrence statistics
- Total occurrences
- 0
- Distinct media
- 0
Curation history
| Timestamp | Curator | Action | New status | Changes |
|---|---|---|---|---|
| 2026-03-09T06:54:18.022301+00:00 | import_from_culturemech | IMPORTED | UNMAPPED | Initial import from CultureMech pipeline |
| 2026-04-05T19:54:32.781651+00:00 | fetch_cas_rn_from_pubchem | ADDED_CAS_RN | UNMAPPED | Added CAS-RN:556-50-3 from PubChem API via name lookup (Glycylglycine) |
| 2026-05-02T00:41:18.411363+00:00 | resolve_unmapped | AUTO_UPGRADE_TO_CHEBI | primary UNMAPPED_0052 → CHEBI:17201 via name normalization to 'Glycylglycine' | |
| 2026-05-02T03:12:14.805976+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-02T23:59:50.933689+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=C4H8N2O3; inchi=InChI=1S/C4H8N2O3/c5-1-3(7)6-2-4(8)9/h1-2,5H2,(H,6; smiles=NCC(=O)NCC(=O)O | |
| 2026-06-09T04:56:30.247940+00:00 | claude_in_session_curation | ANNOTATED | Added media role: BUFFER (confidence: 0.60) | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): BUFFER -> physicochemical_roles.BUFFER | |
| 2026-08-05T06:55:52.346614+00:00 | merge-same-substance-batch LLM | MERGED_INTO | REJECTED | Merged into CHEBI:17201 'Glycyl-glycine'; occurrences transferred. Tombstoned REJECTED, SSSOM rows dropped. Same substance under two names; MERGE_SAME_SUBSTANCE in duplicate_identifier_baseline.tsv (#226). |