Osazones

{
  "id": "MLC-T-CHM-008344",
  "term": "Osazones",
  "field": "Chemistry",
  "definition": "Derivatives of sugars formed by the reaction of an aldose or ketose with an excess of phenylhydrazine, resulting in the formation of two hydrazone groups at the C-1 and C-2 positions. These crystalline compounds were historically used for the identification and characterization of sugars due to their distinct melting points and crystal shapes. Glucose and fructose form the same osazone.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "aldoketoses",
    "aldoses",
    "glycosides",
    "ketoaldoses",
    "ketoses"
  ],
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1354 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/osazones/"
}