Ontology mapping
- Primary identifier
-
CHEBI:76181 - Ontology label
- ferrous ammonium sulfate hexahydrate
Nutritional roles
- Role
- IRON_SOURCE
- Confidence
- 1.0
- Evidence
- Reference text
- CultureMech database (169 occurrences as 'Mineral source')
- Reference type
- DATABASE_ENTRY
- Url
- https://github.com/CultureBotAI/CultureMech
- Excerpt
- Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component
- Curator note
- Widespread use in media formulations (169 occurrences). High confidence based on 'Defined component' property.
Synonyms (18)
| Synonym | Type | Source | Occurrences |
|---|---|---|---|
| Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component | RAW_TEXT | CultureMech | |
| Ammonium ferrous sulfate hexahydrate | EXACT_SYNONYM | kg_microbe | |
| Fe(NH4)2(SO4)2 . 6H2O | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2 x 6 H2O (0.01% w/v) | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2 x 6 H2O (0.1% w/v) | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2 x 6 H2O (2% v/v) | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2 x 6H2O | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2·6H2O | HYDRATE_FORM | kg_microbe | |
| Fe(NH4)2(SO4)2・6H2O | HYDRATE_FORM | kg_microbe | |
| Iron ammonium sulfate hydrate | EXACT_SYNONYM | kg_microbe | |
| ammonium iron(II) sulfate hexahydrate | EXACT_SYNONYM | kg_microbe | |
| ferrous ammonium sulfate hexahydrate | EXACT_SYNONYM | kg_microbe | |
| Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound | RAW_TEXT | CultureMech | |
| Role: Mineral source; Properties: Simple component, Inorganic compound, Defined component | RAW_TEXT | CultureMech | |
| Role: Mineral source; Properties: Inorganic compound, Solution, Defined component | RAW_TEXT | CultureMech | |
| ammonium iron(2+) sulfate--water (1/6) | EXACT_SYNONYM | chebi_synonym_review | |
| Fe(NH4)2(SO4)2.6H2O | RAW_TEXT | culturemech:output/ingredient_occurrences.tsv | |
| Fe(NH4)2(SO4)2 | RAW_TEXT | sssom_other_backfill |
Chemical properties
- Molecular formula
- Fe.6H2O.2H4N.2O4S
- Inchi
- InChI=1S/Fe.2H3N.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;/h;2*1H3;2*(H2,1,2,3,4);6*1H2/q+2;;;;;;;;;;/p-2
- Smiles
- O.O.O.O.O.O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[Fe+2].[NH4+].[NH4+]
- Data source
- CHEBI sqlite (oaklib)
Evidence (1)
DATABASE_MATCH
via CultureMech
Imported from CultureMech pipeline, quality=DIRECT_MATCH
Occurrence statistics
- Total occurrences
- 276
- Distinct media
- 276
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 |
| 2026-04-18T00:00:00+00:00 | cbclaw_kg_microbe_sweep LLM | ADDED_SYNONYMS | MAPPED | Added 11 synonyms from kg-microbe P4.4 enrichment: Ammonium ferrous sulfate hexahydrate, Fe(NH4)2(SO4)2 . 6H2O, Fe(NH4)2(SO4)2 x 6 H2O (0.01% w/v), Fe(NH4)2(SO4)2 x 6 H2O (0.1% w/v), Fe(NH4)2(SO4)2 x 6 H2O (2% v/v), ... (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: Ammonium ferrous sulfate hexahydrate, Fe(NH4)2(SO4)2 . 6H2O, Fe(NH4)2(SO4)2 x 6 H2O, Fe(NH4)2(SO4)2 x 6 H2O (0.01% w/v), Fe(NH4)2(SO4)2 x 6 H2O (0.1% w/v), ... (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: Ammonium ferrous sulfate hexahydrate, Fe(NH4)2(SO4)2 . 6H2O, Fe(NH4)2(SO4)2 x 6 H2O, Fe(NH4)2(SO4)2 x 6 H2O (0.01% w/v), Fe(NH4)2(SO4)2 x 6 H2O (2% v/v), ... (6 more) |
| 2026-04-19T07:23:20.785693+00:00 | audit_mim_merge | MERGED_FROM_DUPLICATES | MAPPED | Absorbed 2 duplicate MIM record(s) into this one: Fe_Nh42_So426h2o.yaml, Fe_Nh42_So42_X_6_H2o_01_Wv.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break. |
| 2026-05-01T07:35:33.540337+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (CHEBI primary) | |
| 2026-05-01T08:08:29.519677+00:00 | auto_classify_ingredient_type | AUTO_BACKFILL_CHEBI_CHEMISTRY | molecular_formula=Fe.6H2O.2H4N.2O4S; inchi=InChI=1S/Fe.2H3N.2H2O4S.6H2O/c;;;2*1-5(2,3)4;;;;;;; smiles=O.O.O.O.O.O.O=S(=O)([O-])[O-].O=S(=O)([O-])[O-].[F | |
| 2026-05-02T03:12:14.382789+00:00 | auto_classify_ingredient_type | AUTO_CLASSIFY_INGREDIENT_TYPE | set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula)) | |
| 2026-05-29T23:35:36.111089+00:00 | extract_roles_from_synonyms | ANNOTATED | Added media role: MINERAL (confidence: 1.00) | |
| 2026-07-20T00:00:00+00:00 | migrate_media_roles_to_facets | ANNOTATED | Migrated legacy media_roles to role facets (#128): MINERAL -> nutritional_roles.IRON_SOURCE | |
| 2026-08-27T03:16:39.518823+00:00 | refresh_occurrence_statistics | CORRECTED | occurrence_statistics 68/169 -> 276/276 (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] | |
| 2026-08-30T04:48:06.233536+00:00 | claude_culturemech_alias_backfill | ADDED_SYNONYMS | Added 1 CultureMech recipe surface form(s) that folded onto this record's published label but were absent from MIM's label index, so CultureMech could not resolve them: 'Fe(NH4)2(SO4)2.6H2O' (x1 CultureMech mentions). Source: culturemech:output/ingredient_occurrences.tsv. | |
| 2026-09-02T17:40:44.716277+00:00 | claude_sssom_surface_form_backfill | ADDED_SYNONYMS | Recovered 1 surface form(s) that the published SSSOM `other` carried but no curated record did, so a rebuild would have dropped them from KGX: 'Fe(NH4)2(SO4)2'. Tokens already present on the kg-microbe ontology node were left out as redundant (#520). |