Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.
ID
http://purl.bioontology.org/ontology/MESH/D004872
altLabel
Ergocalciferol
Vitamin D2
Vitamin D 2
Calciferols
D2, Vitamin
AN
deficiency: coordinate ERGOCALCIFEROLS /defic (IM) with VITAMIN D DEFICIENCY (IM)
AQL
AD AE AG AI AN BL CF CH CL CS DF EC GE HI IM IP ME PD PH PK PO RE SD ST TO TU UR
cui
C0014696
C0014695
DC
1
definition
Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.
DX
19670101
HN
90; was ERGOCALCIFEROL 1967-89; was VITAMIN D 2 1963-66