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22-Dihydroergocalciferol
Encyclopedia
22-Dihydroergocalciferol is a form of vitamin D
, also known as vitamin D4. It has the systematic name (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol.
Vitamin D
Vitamin D is a group of fat-soluble secosteroids. In humans, vitamin D is unique both because it functions as a prohormone and because the body can synthesize it when sun exposure is adequate ....
, also known as vitamin D4. It has the systematic name (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol.
See also
- Forms of vitamin D, the five known forms of vitamin D
- Hypervitaminosis DHypervitaminosis DHypervitaminosis D is a state of vitamin D toxicity.The recommended daily allowance is 400 IU per day. Overdose has been observed at 1925 µg/d...
, vitamin D poisoning - LumisterolLumisterolLumisterol is a compound that is part of the vitamin D family of steroid compounds. It is the stereoisomer of ergosterol and was produced as a photochemical by-product in the preparation of vitamin D1, which was a mixture of vitamin D2 and lumisterol. Vitamin D2 can be formed from lumisterol by a...
, a constituent of vitamin D1