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Accessed: 
Structural identifiersNames and synonymsDatabase IDs
Neptunium
| Molecular formula: | Np |
| Average mass: | 237.000 |
| Monoisotopic mass: | 237.048173 |
| ChemSpider ID: | 22375 |
Wikipedia
Spectra
Structural identifiers- Names
Names and synonymsVerified
231-108-8
[EINECS]7439-99-8
[RN]
Neptunium
[German]
[ACD/IUPAC Name] [ACD/Index Name]Neptunium
[French]
[ACD/IUPAC Name] [ACD/Index Name]Unverified
13994-20-2
[RN]22537-61-7
[RN]22541-66-8
[RN]35000-38-5
[RN]93Np
neptunio
neptunium atom
Neptunium-237
pEINECS 231-108-8
Database IDs