Catalog No. Size PriceQuantity
M8596-2 Solid 2 mg $95
M8596-10 Solid 10 mg $285


MK-3697 is a highly potent, orally bioavailable selective orexin 2 receptor antagonists . MK-3697 is also the third insomnia drug, currently being developed by Merck. MK-3697 has Ki = 0.95 nM. Orexin receptor antagonists have demonstrated clinical utility for the treatment of insomnia. In vivo tests results on MK-3697 demonstrated improved stability and TDI profiles as well as excellent sleep efficacy across species.

Product information

CAS Number: 1224846-01-8

Molecular Weight: 447.51

Formula: C23H21N5O3S


MK 3697


Chemical Name: N-[(5,6-dimethoxypyridin-2-yl)methyl]-5'-methyl-5-(1,3-thiazol-2-yl)-[2,3'-bipyridine]-4-carboxamide

Smiles: CC1C=C(C=NC=1)C1=CC(C(=O)NCC2=CC=C(OC)C(=N2)OC)=C(C=N1)C1=NC=CS1


InChi: InChI=1S/C23H21N5O3S/c1-14-8-15(11-24-10-14)19-9-17(18(13-26-19)23-25-6-7-32-23)21(29)27-12-16-4-5-20(30-2)22(28-16)31-3/h4-11,13H,12H2,1-3H3,(H,27,29)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.

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