5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one

Modify Date: 2025-09-24 13:12:50

5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one Structure
5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one structure
Common Name 5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one
CAS Number 3670-51-7 Molecular Weight 175.18700
Density N/A Boiling Point N/A
Molecular Formula C9H9N3O Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name 5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C9H9N3O
Molecular Weight 175.18700
Exact Mass 175.07500
PSA 50.68000
LogP 0.86900

 Safety Information

HS Code 2933990090

 Synthetic Route

~71%

5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one Structure

5-methyl-2-pyri...

CAS#:3670-51-7

Literature: XENON PHARMACEUTICALS INC. Patent: WO2008/121861 A2, 2008 ; Location in patent: Page/Page column 62 ; WO 2008/121861 A2

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5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one Structure

5-methyl-2-pyri...

CAS#:3670-51-7

Literature: Pegurier, Cecile; Collart, Philippe; Danhaive, Pierre; Defays, Sabine; Gillard, Michel; Gilson, Frederic; Kogej, Thierry; Pasau, Patrick; Van Houtvin, Nathalie; Van Thuyne, Marc; van Keulen, BerendJan Bioorganic and Medicinal Chemistry Letters, 2007 , vol. 17, # 15 p. 4228 - 4231

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5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one Structure

5-methyl-2-pyri...

CAS#:3670-51-7

Literature: Fargher; Furness Journal of the Chemical Society, 1915 , vol. 107, p. 695

~%

5-methyl-2-pyridin-2-yl-1H-pyrazol-3-one Structure

5-methyl-2-pyri...

CAS#:3670-51-7

Literature: Fargher; Furness Journal of the Chemical Society, 1915 , vol. 107, p. 695

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Methyl-2-[2]pyridyl-1,2-dihydro-pyrazol-3-on
5-methyl-2-(pyridin-2-yl)pyrazol-3-ol
3H-Pyrazol-3-one,1,2-dihydro-5-methyl-2-(2-pyridinyl)
5-methyl-2-pyridin-2-yl-1,2-dihydro-pyrazol-3-one
5-methyl-2-(pyridin-2-yl)-1H-pyrazol-3(2H)-one
5-methyl-2-[2]pyridyl-1,2-dihydro-pyrazol-3-one
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