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Vitamin D2

Cat. No. M6056
Vitamin D2 Structure
Synonym:

Ergocalciferol

Size Price Availability Quantity
500mg USD 50  USD50 In stock
1g USD 60  USD60 In stock
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Quality Control & Documentation
Biological Activity

Vitamin D2 is a selective inhibitor of mammalian DNA polymerase A (pol A) with IC50 of 123 mM.

Chemical Information
Molecular Weight 396.65
Formula C28H44O
CAS Number 50-14-6
Solubility (25°C) 80 mg/mL in Ethanol
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Suenaga M, et al. Curr Alzheimer Res. Different effect of vitamin D2 and vitamin D3 on amyloid-β40 aggregation in vitro.

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Keywords: Vitamin D2, Ergocalciferol supplier, DNA Methyltransferase, inhibitors, activators


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