Zinc-65
A zinc atom in which the nucleus contains 35 neutrons. It has a half-life of 244 days, decaying by emission of a positron (β+ decay), and is the most abundant and stable of the 25 known radioisotopes of zinc. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 13982-39-3 | ChEBI ↗ |
| Molecular formula | [65Zn] | ChEBI ↗ |
| Molar mass | 64.929 g/mol | ChEBI ↗ |
| Monoisotopic mass | 64.92924 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:82623 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 64.929241 g/mol | PubChem ↗ |
| Exact mass | 64.929241 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 identifierzinc-65 atom((65)Zn)zincHCHKCACWOHOZIP-IGMARMGPSA-N[65Zn]InChI=1S/Zn/i1+0Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyMass ↔ amount of substance
Calculated from sourced massUses 64.929 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
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.