Subunit

{
  "id": "MLC-T-CHM-011537",
  "term": "Subunit",
  "field": "Chemistry",
  "definition": "A building block of a constitutional repeating unit: the biggest piece of its backbone that organic nomenclature can name with one name. It may be a ring or ring system, a single heteroatom or a run of heteroatoms, or an acyclic carbon chain. The unit -O-C6H4- in poly(oxy-1,4-phenylene) contains two subunits, oxy and 1,4-phenylene.",
  "subject": "Polymer",
  "references": [
    "PAC, 2021, 93, 963. 'Structure-based nomenclature for irregular linear, star, comb, and brush polymers (IUPAC Recommendations 2020)' on page 967 (https://doi.org/10.1515/pac-2020-0103)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/subunit/"
}