Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one

Modify Date: 2025-08-27 19:06:16

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure
Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one structure
Common Name Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
CAS Number 159326-71-3 Molecular Weight 135.123
Density 1.5±0.1 g/cm3 Boiling Point 318.1±25.0 °C at 760 mmHg
Molecular Formula C6H5N3O Melting Point N/A
MSDS N/A Flash Point 146.2±23.2 °C

 Names

Name 1H-pyrrolo[2,1-f][1,2,4]triazin-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 318.1±25.0 °C at 760 mmHg
Molecular Formula C6H5N3O
Molecular Weight 135.123
Flash Point 146.2±23.2 °C
Exact Mass 135.043259
PSA 50.16000
LogP -0.30
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.739

 Safety Information

Hazard Codes Xi

 Synthetic Route

~66%

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: NEOPHARM CO., LTD. Patent: US2011/183983 A1, 2011 ; Location in patent: Page/Page column 32 ;

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Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: Journal of Medicinal Chemistry, , vol. 47, # 16 p. 4054 - 4059

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Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: WO2009/117157 A1, ; Page/Page column 47-48 ; WO 2009/117157 A1

~71%

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: Journal of Heterocyclic Chemistry, , vol. 31, # 4 p. 781 - 786

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Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: Journal of Medicinal Chemistry, , vol. 47, # 16 p. 4054 - 4059

~%

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: Journal of Heterocyclic Chemistry, , vol. 31, # 4 p. 781 - 786

~%

Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one Structure

Pyrrolo[2,1-f][...

CAS#:159326-71-3

Literature: Journal of Heterocyclic Chemistry, , vol. 31, # 4 p. 781 - 786

 Synonyms

Pyrrolo[1,2-d][1,2,4]triazin-1(2H)-one
Pyrrolo[1,2-d][1,2,4]triazin-1-ol
Pyrrolo[2,1-f][1,2,4]triazin-4(3H)-one
pyrrolo[1,2-f][1,2,4]triazin-4(3H)-one
3H-pyrrolo[2,1-f][1,2,4]triazin-4-one
pyrrolo[1,2-f][1,2,4]triazin-4-ol
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