5-Fluoro-1,2-dihydro-3H-indazol-3-one

Modify Date: 2025-08-25 19:11:01

5-Fluoro-1,2-dihydro-3H-indazol-3-one Structure
5-Fluoro-1,2-dihydro-3H-indazol-3-one structure
Common Name 5-Fluoro-1,2-dihydro-3H-indazol-3-one
CAS Number 885519-12-0 Molecular Weight 152.126
Density 1.6±0.1 g/cm3 Boiling Point 369.2±22.0 °C at 760 mmHg
Molecular Formula C7H5FN2O Melting Point N/A
MSDS N/A Flash Point 177.1±22.3 °C

 Names

Name 5-fluoro-1,2-dihydroindazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 369.2±22.0 °C at 760 mmHg
Molecular Formula C7H5FN2O
Molecular Weight 152.126
Flash Point 177.1±22.3 °C
Exact Mass 152.038589
PSA 48.91000
LogP 1.80
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.717

 Synthetic Route

~52%

5-Fluoro-1,2-dihydro-3H-indazol-3-one Structure

5-Fluoro-1,2-di...

CAS#:885519-12-0

Literature: SOLVAY PHARMACEUTICALS B.V. Patent: US2006/122189 A1, 2006 ; Location in patent: Page/Page column 29 ; US 20060122189 A1

 Precursor & DownStream

Precursor  1

DownStream  1

 Synonyms

5-fluoro-1H-indazol-3-ol
3H-Indazol-3-one, 5-fluoro-1,2-dihydro-
5-fluoro-1,2-dihydro-indazol-3-one
5-Fluoro-1,2-dihydro-3H-indazol-3-one
QC-2916
5-Fluoro-3-hydroxy (1H)indazole
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