# Ammonium cerium(IV) sulfate hydrate (CAS 7637-03-8)

CAS: 7637-03-8
PubChem CID: 151472
InChIKey: IPLMNKLLGMDMKO-UHFFFAOYSA-J
Wikidata: Q72443000
Molecular formula: H₈CeN₂O₁₂S₃
Molar mass: 464.4 g/mol
IUPAC: diazanium;cerium(4+);trisulfate
SMILES: [NH4+].[NH4+].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Ce+4]
InChI: InChI=1S/Ce.2H3N.3H2O4S/c;;;3*1-5(2,3)4/h;2*1H3;3*(H2,1,2,3,4)/q+4;;;;;/p-4
PSA: 268 A^2
Hydrogen bond donors: 2
Hydrogen bond acceptors: 12
Rotatable bonds: 0
Heavy atoms: 18
3D structure: 26 atoms, 20 bonds

## About the compound

Ammonium cerium(IV) sulfate hydrate (CAS 7637-03-8) is a chemical compound registered under CAS number 7637-03-8. Molecular formula: H₈CeN₂O₁₂S₃. Molar mass: 464.4 g/mol. The full systematic IUPAC name is: diazanium;cerium(4+);trisulfate. The molecule contains 26 atoms connected by 20 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molekula/7637-03-8/


## Synonyms

  - Ceric ammonium sulfate
  - 7637-03-8
  - Sulfuric acid, ammonium cerium(4+) salt (4:4:1)
  - ceric ammonium sulphate
  - RefChem:575166
  - DTXCID701030920
  - 231-567-4
  - Diammonium cerium(4+) trisulphate
  - diazanium;cerium(4+);trisulfate
  - 14638-69-8
  - EINECS 238-682-9
  - SCHEMBL132414

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## Data sources

  - PubChem CID 151472: https://pubchem.ncbi.nlm.nih.gov/compound/151472
  - Wikidata: https://www.wikidata.org/wiki/Q72443000
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=7637-03-8
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=7637-03-8

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Last updated: 2026-09-02
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