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Derivative of 7-dehydroxycholesterol formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. It differs from ERGOCALCIFEROL in having a single bond between C22 and C23 and lacking a methyl group at C24.

Year introduced: 1994, 1967-1974

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Tree Number(s): D04.210.500.247.222.159, D04.210.500.247.808.146, D04.210.500.812.768.196, D10.570.938.146

MeSH Unique ID: D002762

Registry Number: 1C6V77QF41

Entry Terms:

  • Vitamin D 3
  • Vitamin D3
  • (3 beta,5Z,7E)-9,10-Secocholesta-5,7,10(19)-trien-3-ol
  • Calciol
  • Cholecalciferols

See Also:

Pharmacologic Action:

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