Npc120474
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Description

Ergocalciferol ( Vitamin D2 ) is a derivative of ergosterol formed by ultraviolet rays breaking of the C9-C10 bond. It differs from cholecalciferol in having a double bond between C22 and C23 and a methyl group at C24. [PubChem]

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Source creator
James Tyrwhitt Drake
Source license
Public Domain
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Npc120474

From NIH 3D
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Category

learning

License

CC0

Published

10/15/2026

Availability

free on NIH 3D