CHEBI:26833 - sulfur atom

ChEBI IDCHEBI:26833
ChEBI Namesulfur atom
Stars
Last Modified8 July 2025
DownloadsMolfile
FormulaS
Net Charge0
Average Mass32.067
Monoisotopic Mass31.97207
SMILES[S]
InChIInChI=1S/S
InChIKeyNINIDFKCEFEMDL-UHFFFAOYSA-N
Roles Classification
Biological Role:
macronutrient  Any nutrient required in large quantities by organisms throughout their life in order to orchestrate a range of physiological functions. Macronutrients are usually chemical elements (carbon, hydrogen, nitrogen, oxygen, phosphorus and sulfur) that humans consume in the largest quantities. Calcium, sodium, magnesium and potassium are sometimes included as macronutrients because they are required in relatively large quantities compared with other vitamins and minerals.
ChEBI Ontology
Outgoing Relation(s)
sulfur atom (CHEBI:26833) has role macronutrient (CHEBI:33937)
sulfur atom (CHEBI:26833) is a chalcogen (CHEBI:33303)
sulfur atom (CHEBI:26833) is a nonmetal atom (CHEBI:25585)
Incoming Relation(s)
sulfur molecular entity (CHEBI:26835) has part sulfur atom (CHEBI:26833)
sulfur-32 atom (CHEBI:37979) is a sulfur atom (CHEBI:26833)
sulfur-33 atom (CHEBI:37980) is a sulfur atom (CHEBI:26833)
sulfur-34 atom (CHEBI:37981) is a sulfur atom (CHEBI:26833)
sulfur-35 atom (CHEBI:37983) is a sulfur atom (CHEBI:26833)
sulfur-36 atom (CHEBI:37982) is a sulfur atom (CHEBI:26833)
sulfur-37 atom (CHEBI:37984) is a sulfur atom (CHEBI:26833)
sulfur-38 atom (CHEBI:37985) is a sulfur atom (CHEBI:26833)
IUPAC Name 
sulfur
Synonyms  Source
SIUPAC
theionIUPAC
sulphurChEBI
16SIUPAC
SchwefelChEBI
soufreChEBI
UniProt Name  Source
sulfurUniProt
Manual XrefsDatabases
C00087KEGG COMPOUND
SWebElements
D06527KEGG DRUG
605PPDB
Registry NumbersSources
CAS:7704-34-9ChemIDplus
CAS:7704-34-9NIST Chemistry WebBook