Vitamin D2 Other names: Ergocalciferol

Chemical formula: C₂₈H₄₄O  Molecular mass: 396.648 g/mol  PubChem compound: 5280793

Active ingredient description

Vitamin D2 (ergocalciferol) is a fat soluble vitamin. In conjunction with parathyroid hormone and calcitonin, it regulates calcium haemostasis. Ergocalciferol metabolites promote active absorption of calcium and phosphorous by the small intestine, increase rate of excretion and resorption of minerals in bone and promote resorption of minerals in bone and promote resorption of phosphate by renal tubules.

Medicine classification

This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:

ATC code Group title Classification
A11CC01 Ergocalciferol A Alimentary tract and metabolism → A11 Vitamins → A11C Vitamin A and D, incl. combinations of the two → A11CC Vitamin D and analogues
Discover more medicines within A11CC01

Product monographs

Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):

Title Information Source Document Type  
ERGOCALCIFEROL Solution for injection Medicines & Healthcare Products Regulatory Agency (GB) MPI, EU: SmPC

Structural formula

Graphic representation of the active ingredient's molecular structure

External identifiers

CAS Substance: 50-14-6
DrugBank Drug: DB00153
KEGG Drug: D00187
PubChem Compound: 5280793
RxNorm Ingredient: 4018
SNOMED-CT Concept: 23433006
Ergocalciferol (substance)
UNII Identifier: VS041H42XC
ERGOCALCIFEROL

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