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Esketamine

Cat. No. M25469
Esketamine Structure
Synonym:

ESK; l-Ketamine

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Biological Activity

Esketamine (ESK) is an NMDA-receptor antagonist.

Chemical Information
Molecular Weight 237.73
Formula C13H16ClNO
CAS Number 33643-46-8
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] Sina Nikayin, et al. Expert Opin Drug Saf. Long-term safety of ketamine and esketamine in treatment of depression

[2] Roger S McIntyre, et al. Am J Psychiatry. Synthesizing the Evidence for Ketamine and Esketamine in Treatment-Resistant Depression: An International Expert Opinion on the Available Evidence and Implementation

[3] Anees Bahji, et al. J Affect Disord. Comparative efficacy of racemic ketamine and esketamine for depression: A systematic review and meta-analysis

[4] Jennifer Swainson, et al. Expert Rev Neurother. Esketamine for treatment resistant depression

[5] No authors listed. Esketamine

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Keywords: Esketamine, ESK; l-Ketamine supplier, NMDA, inhibitors, activators


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