# sulfonyl group

> the divalent functional group —S(=O)₂—

**Wikidata**: [Q3487110](https://www.wikidata.org/wiki/Q3487110)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sulfuryl)  
**Source**: https://4ort.xyz/entity/sulfonyl-group-q3487110


## References

1. Freebase Data Dumps. 2013