ZnSO4 x 7 H2O

CHEBI:32312 chemically defined MAPPED CHEBI EXACT_MATCH

Ontology mapping

Primary identifier
CHEBI:32312
Ontology label
zinc sulfate heptahydrate
kg-microbe node
CHEBI:32312

Nutritional roles

Synonyms (26)

SynonymTypeSourceOccurrences
Role: Mineral source; Properties: Defined component, Inorganic compound, Simple component RAW_TEXT CultureMech
Role: Mineral source; Properties: Inorganic compound, Defined component, Simple component RAW_TEXT CultureMech
Zinc sulfate heptahydrate EXACT_SYNONYM kg_microbe
Zn2SO4·7H2O HYDRATE_FORM kg_microbe
ZnSO4 . 7H2O HYDRATE_FORM kg_microbe
ZnSO4 .7H2O HYDRATE_FORM kg_microbe
ZnSO4 x 7H2O HYDRATE_FORM kg_microbe
ZnSO4 · 7H2O HYDRATE_FORM kg_microbe
ZnSO4 ⋅ 7H2O HYDRATE_FORM kg_microbe
ZnSO4.7H2O HYDRATE_FORM kg_microbe
ZnSO4·7H2O HYDRATE_FORM kg_microbe
ZnSO4⋅7H2O HYDRATE_FORM kg_microbe
ZnSO4・7H2O HYDRATE_FORM kg_microbe
zinc sulfate (1:1) heptahydrate EXACT_SYNONYM kg_microbe
zinc sulfate heptahydrate (1:1:7) EXACT_SYNONYM kg_microbe
ZnSO4-7H2O HYDRATE_FORM merged_from_duplicate_mim_record
zinc(2+) sulfate heptahydrate EXACT_SYNONYM kg_microbe
Role: Mineral source; Properties: Defined component, Simple component, Inorganic compound RAW_TEXT CultureMech
Role: Mineral source; Properties: Inorganic compound, Simple component, Defined component RAW_TEXT CultureMech
Role: Mineral source; Properties: Simple component, Defined component, Inorganic compound RAW_TEXT CultureMech
ZnSO4 × 7H2O HYDRATE_FORM kg_microbe
ZnSO4*7 H2O HYDRATE_FORM kg_microbe
ZnSO4*7H2O HYDRATE_FORM kg_microbe
ZnSO4∙7H2O HYDRATE_FORM kg_microbe
ZnSO4･7H2O HYDRATE_FORM kg_microbe
zinc(2+) sulfate--water (1/7) EXACT_SYNONYM chebi_synonym_review

Chemical properties

Cas rn
7446-20-0
Data source
PubChem (via CHEBI:32312)
Retrieval date
2026-04-09T00:32:50.689620+00:00
Molecular formula
7H2O.O4S.Zn
Inchi
InChI=1S/H2O4S.7H2O.Zn/c1-5(2,3)4;;;;;;;;/h(H2,1,2,3,4);7*1H2;/q;;;;;;;;+2/p-2
Smiles
O=S(=O)([O-])[O-].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[Zn+2]

Evidence (1)

DATABASE_MATCH via CultureMech

Imported from CultureMech pipeline, quality=DIRECT_MATCH

Occurrence statistics

Total occurrences
2,410
Distinct media
2,407

Curation history

TimestampCuratorActionNew statusChanges
2026-03-09T06:54:18.022301+00:00 import_from_culturemech IMPORTED MAPPED Initial import from CultureMech pipeline
2026-04-05T21:48:45.969699+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:7446-20-0 from CultureBotHT compounds_to_cas.csv (matched: ZnSO4-7H2O)
2026-04-05T21:48:45.973632+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:7446-20-0 from CultureBotHT compounds_to_cas.csv (matched: ZnSO4·7H2O)
2026-04-05T21:48:45.975808+00:00 fetch_cas_rn_from_culturebot_csv ADDED_CAS_RN MAPPED Added CAS-RN:7446-20-0 from CultureBotHT compounds_to_cas.csv (matched: ZnSO4.7H2O)
2026-04-07T10:20:22.844400+00:00 feba_ontology_enrichment_batch CREATED MAPPED Created ingredient file from FEBA ontology enrichment batch with ChEBI ID CHEBI:32312
2026-04-09T00:32:50.689620+00:00 enrich_mim_cas_rn_batch CAS_RN_ADDED MAPPED Added CAS-RN 7446-20-0 from PubChem (via CHEBI:32312)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 13 synonyms from kg-microbe P4.4 enrichment: Zinc sulfate heptahydrate, Zn2SO4·7H2O, ZnSO4 . 7H2O, ZnSO4 .7H2O, ZnSO4 x 7H2O, ... (8 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 14 synonyms from kg-microbe P4.4 enrichment: Zn2SO4·7H2O, ZnSO4 . 7H2O, ZnSO4 .7H2O, ZnSO4 x 7 H2O, ZnSO4 x 7H2O, ... (9 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: Zn2SO4·7H2O, ZnSO4 . 7H2O, ZnSO4 .7H2O, ZnSO4 x 7 H2O, ZnSO4 x 7H2O, ... (7 more)
2026-04-18T00:00:00+00:00 cbclaw_kg_microbe_sweep LLM ADDED_SYNONYMS MAPPED Added 5 synonyms from kg-microbe P4.4 enrichment: ZnSO4 × 7H2O, ZnSO4*7 H2O, ZnSO4*7H2O, ZnSO4∙7H2O, ZnSO4･7H2O
2026-04-19T07:23:20.785693+00:00 audit_mim_merge MERGED_FROM_DUPLICATES MAPPED Absorbed 4 duplicate MIM record(s) into this one: Zinc_sulfate_heptahydrate.yaml, Znso47h2o.yaml, Znso47h2o_2.yaml, Znso4-7h2o.yaml. Synonyms, curation_history, and occurrence counts were unioned/summed; winner selected by highest occurrence count with preferred_term readability tie-break.
2026-05-01T07:35:36.968205+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (CHEBI primary)
2026-05-01T08:08:33.058100+00:00 auto_classify_ingredient_type AUTO_BACKFILL_CHEBI_CHEMISTRY molecular_formula=7H2O.O4S.Zn; inchi=InChI=1S/H2O4S.7H2O.Zn/c1-5(2,3)4;;;;;;;;/h(H2,1,2; smiles=O=S(=O)([O-])[O-].[H]O[H].[H]O[H].[H]O[H].[H]O[H].
2026-05-02T03:12:19.344594+00:00 auto_classify_ingredient_type AUTO_CLASSIFY_INGREDIENT_TYPE set ingredient_type=SINGLE_INGREDIENT (chemical structure populated (molecular_formula))
2026-05-29T23:35:36.113417+00:00 extract_roles_from_synonyms ANNOTATED Added media role: MINERAL (confidence: 1.00)
2026-06-09T05:23:46.852311+00:00 correct_stale_ontology_labels.py CORRECTED ontology_label 'ZnSO4 x 7 H2O' -> 'zinc sulfate heptahydrate': synced to canonical CHEBI label (preferred_term 'ZnSO4 x 7 H2O' unchanged).
2026-07-20T00:00:00+00:00 migrate_media_roles_to_facets ANNOTATED Migrated legacy media_roles to role facets (#128): MINERAL -> nutritional_roles.TRACE_ELEMENT
2026-08-27T03:16:39.520183+00:00 refresh_occurrence_statistics CORRECTED occurrence_statistics 276/2150 -> 2407/2410 (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]