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.
deficiency: coordinate CHOLECALCIFEROL /defic (IM) with VITAMIN D DEFICIENCY (IM)
AQL
AA AD AE AG AI AN BI BL CF CH CL CS DF EC GE HI IM IP ME PD PH PK PO RE SD ST TO TU UR
cui
C0242215
C0008318
DC
1
definition
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.
DX
19670101
FX
D018167
HN
94, 67-74; was CHOLECALCIFEROLS 1975-93, was CHOLECALCIFEROL 1967-74, was VITAMIN D 3 1963-66