4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one

Modify Date: 2025-08-26 18:12:57

4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one Structure
4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one structure
Common Name 4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one
CAS Number 645405-18-1 Molecular Weight 230.64800
Density N/A Boiling Point N/A
Molecular Formula C9H11ClN2O3 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C9H11ClN2O3
Molecular Weight 230.64800
Exact Mass 230.04600
PSA 64.35000
LogP 1.30140

 Synthetic Route

~90%

4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one Structure

4-chloro-5-hydr...

CAS#:645405-18-1

Literature: NEUROCRINE BIOSCIENCES, INC. Patent: WO2005/103039 A1, 2005 ; Location in patent: Page/Page column 36 ; WO 2005/103039 A1

~87%

4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one Structure

4-chloro-5-hydr...

CAS#:645405-18-1

Literature: Ma, Chen; Cho, Su-Dong; Falck; Shin, Dong-Soo Heterocycles, 2004 , vol. 63, # 1 p. 75 - 85

~%

4-chloro-5-hydroxy-2-(oxan-2-yl)pyridazin-3-one Structure

4-chloro-5-hydr...

CAS#:645405-18-1

Literature: Dyck, Brian; Markison, Stacy; Zhao, Liren; Tamiya, Junko; Grey, Jonathan; Rowbottom, Martin W.; Zhang, Mingzhu; Vickers, Troy; Sorensen, Katie; Norton, Christi; Wen, Jenny; Heise, Christopher E.; Saunders, John; Conlon, Paul; Madan, Ajay; Schwarz, David; Goodfellow, Val S. Journal of Medicinal Chemistry, 2006 , vol. 49, # 13 p. 3753 - 3756

 Synonyms

3(2H)-Pyridazinone,4-chloro-5-hydroxy-2-(tetrahydro-2H-pyran-2-yl)
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