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MK-0557
MK-0557 is a selective and orally available antagonist of the neuropeptide Y5 receptor (Ki: 1.6 nM).
Catalog No. TQ0286Cas No. 328232-95-7
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Purity:99.88%
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MK-0557
Catalog No. TQ0286Cas No. 328232-95-7
MK-0557 is a selective and orally available antagonist of the neuropeptide Y5 receptor (Ki: 1.6 nM).
All TargetMol products are for research purposes only and cannot be used for human consumption. We do not provide products or services to individuals. Please comply with the intended use and do not use TargetMol products for any other purpose. | Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $30 | In Stock | |
| 5 mg | $65 | In Stock | |
| 10 mg | $98 | In Stock | |
| 25 mg | $178 | In Stock | |
| 50 mg | $293 | In Stock | |
| 100 mg | $413 | In Stock | |
| 200 mg | $575 | In Stock | |
| 1 mL x 10 mM (in DMSO) | $73 | In Stock |
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Product Introduction
Bioactivity
Chemical Properties
| Description | MK-0557 is a selective and orally available antagonist of the neuropeptide Y5 receptor (Ki: 1.6 nM). |
| Targets&IC50 | Y5 receptor:1.6 nM (Ki) |
| In vitro | MK-0557 has a Ki=1.3 nM at the human NPY5R, with similar affinities at rhesus, mouse, and rat NPY5R. MK-0557 has no significant binding to the human NPY1R, NPY2R, NPY4R, or mouse NPY6R at concentrations of 10 μM [2]. |
| In vivo | MK-0557 counteracts the NPY5R-selective agonist's influence on body-weight gain and hyperphagia in C57BL/6J mice, also markedly reducing body-weight gain in diet-induced obese (DIO) mice. A 40% reduction in body-weight gain is achieved by day 35 in lean mice shifted from regular chow to a medium high-fat diet (4.2 kcal/g), following treatment with MK-0557 at a dosage of 30 mg/kg PO QD[2]. |
| Molecular Weight | 406.41 |
| Formula | C22H19FN4O3 |
| Cas No. | 328232-95-7 |
Storage & Solubility Information
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 25 mg/mL (61.52 mM) | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:
For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . A total of 10 animals were administered, and the formula you used is 5% 
DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.Preparation method for in vivo formula: Take 50 μL DMSO main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarify
main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarifyFor Reference Only. Please develop an appropriate dissolution method based on your laboratory animals and route of administration.
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