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Fomepizole

Cat. No. M5663
Fomepizole Structure
Synonym:

4-methylpyrazole, Antizol, Antizol-Vet

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500mg USD 50  USD50 In stock
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Quality Control & Documentation
Biological Activity

Fomepizole is a competitive inhibitor of alcohol dehydrogenase, the enzyme that catalyzes the initial steps in the metabolism of ethylene glycol and methanol to their toxic metabolites.

Chemical Information
Molecular Weight 82.1
Formula C4H6N2
CAS Number 7554-65-6
Solubility (25°C) 10 mM in DMSO
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] Zakharov S, et al. Clin Toxicol (Phila). Fomepizole versus ethanol in the treatment of acute methanol poisoning: Comparison of clinical effectiveness in a mass poisoning outbreak.

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Keywords: Fomepizole, 4-methylpyrazole, Antizol, Antizol-Vet supplier, Dehydrogenase, inhibitors, activators


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