Thio

{
  "id": "MLC-T-CHM-012005",
  "term": "Thio",
  "field": "Chemistry",
  "definition": "A prefix used in chemical nomenclature to indicate the replacement of an oxygen atom by a sulfur atom in a functional group or compound. For example, an alcohol (R-OH) becomes a thiol (R-SH), and an ether (R-O-R') becomes a thioether (R-S-R'). This prefix is widely used to denote sulfur-containing analogues of oxygen compounds.",
  "subject": "Organic and Biomolecular Chemistry",
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1371 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/thio/"
}