Sodium aurothiosulfate
An inorganic salt of sodium, the anion of which is the aurothiosulfate(3−) linear coordination complex. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 15283-45-1 | ChEBI ↗ |
| Molecular formula | AuO6S4.3Na | ChEBI ↗ |
| Molar mass | 490.199 g/mol | ChEBI ↗ |
| Monoisotopic mass | 489.79365 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:53622 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 490.2 g/mol | PubChem ↗ |
| Exact mass | 489.793650 Da | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifiersodium aurothiosulfatetrisodium bis[sulfurothioic O,S-acidato(2-)-kappa(2)O,S]aurate(3-)FJCMCHNDCIYVST-UHFFFAOYSA-JO=S1(=O)[O][Au-3]2([O]S(=O)(=O)[S]2)[S]1.[Na+].[Na+].[Na+]InChI=1S/Au.3Na.2H2O3S2/c;;;;2*1-5(2,3)4/h;;;;2*(H2,1,2,3,4)/q4*+1;;/p-4Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Mass ↔ amount of substance
Calculated from sourced massUses 490.199 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsSAuONaCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.