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A potent neuropeptide Y (NPY) antagonist
Catalog #: B2317
SKU-Size Size Price Qty
B2317-5 5 mg
B2317-25 25 mg
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Product Details

Alternate Name trans-N-[1-(2-fluorophenyl)-1H-pyrazol-3-yl]-1'-oxo-spiro[cyclohexane-1,3'(1'H)-furo[3,4-c]pyridine]-4-carboxamide
Appearance Crystalline solid
CAS # 328232-95-7
Molecular Formula C₂₂H₁₉FN₄O₃
Molecular Weight 406.4
Purity ≥98%
Solubility ~3 mg/ml in DMSO
InChi InChI=1S/C22H19FN4O3/c23-17-3-1-2-4-18(17)27-12-8-19(26-27)25-20(28)14-5-9-22(10-6-14)16-13-24-11-7-15(16)21(29)30-22/h1-4,7-8,11-14H,5-6,9-10H2,(H,25,26,28)
PubChem CID 11491176
Handling Do not take internally. Wear gloves and mask when handling the product! Avoid contact by all modes of exposure.
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


A potent and selective antagonist of the neuropeptide Y (NPY) receptor Y5. It is >7,500-fold selective for Y5 over other receptors and lacks activity in a panel of 180 receptors, enzymes, and ion channels at concentrations up to 1 μM. In vivo, MK-0557 (30 mg/kg) reduces body weight gain in wild-type and diet-induced obese mice. It also reduces retroperitoneal fat pad weight, epididymal and mesenteric fat pad weights, leptin levels, and food intake in lean mice fed a high-fat diet.

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