Nitrate
A nitrogen oxoanion formed by loss of a proton from nitric acid. Principal species present at pH 7.3. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 14797-55-8 | ChEBI ↗ |
| Molecular formula | NO3 | ChEBI ↗ |
| Molar mass | 62.004 g/mol | ChEBI ↗ |
| Monoisotopic mass | 61.98837 Da | ChEBI ↗ |
| Formal charge | -1 | ChEBI ↗ |
| ChEBI identifier | CHEBI:17632 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 62.005 g/mol | PubChem ↗ |
| Exact mass | 61.987817862 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 identifiernitratenitrateNHNBFGGVMKEFGY-UHFFFAOYSA-NO=[N+]([O-])[O-]InChI=1S/NO3/c2-1(3)4/q-1Names & 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 62.004 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsONCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
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Sources & 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.