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ChemicalBook >> CAS DataBase List >>1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE

CAS No.
780753-89-1
Chemical Name:
1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE
Synonyms
1-(4-Fluorophenyl)-2-piperazinone;2-Piperazinone, 1-(4-fluorophenyl)-;1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE
CBNumber:
CB7374924
Molecular Formula:
C10H11FN2O
Molecular Weight:
194.21
MDL Number:
MFCD07373422
MOL File:
780753-89-1.mol
MSDS File:
SDS
Last updated:2026-05-28 05:50:26
Product description Number Pack Size Price
1-(4-Fluorophenyl)piperazin-2-one 98+% A508166 100mg $81
1-(4-Fluorophenyl)piperazin-2-one 98+% A508166 250mg $121
1-(4-Fluorophenyl)piperazin-2-one 98+% A508166 1g $315
1-(4-Fluorophenyl)piperazin-2-one 98+% AA005OI2 100mg $72
1-(4-Fluorophenyl)piperazin-2-one 98+% AA005OI2 250mg $107

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE Properties

Boiling point 414.0±40.0 °C(Predicted)
Density 1.225
storage temp. under inert gas (nitrogen or Argon) at 2–8 °C
pka 7.52±0.20(Predicted)
InChI InChI=1S/C10H11FN2O/c11-8-1-3-9(4-2-8)13-6-5-12-7-10(13)14/h1-4,12H,5-7H2
InChIKey CRJMGHCZJHTTKV-UHFFFAOYSA-N
SMILES N1(C2=CC=C(F)C=C2)CCNCC1=O

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE price More Price(24)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Ambeed A508166 1-(4-Fluorophenyl)piperazin-2-one 98+% 780753-89-1 100mg $81 2026-06-05 Buy
Ambeed A508166 1-(4-Fluorophenyl)piperazin-2-one 98+% 780753-89-1 250mg $121 2026-06-05 Buy
Ambeed A508166 1-(4-Fluorophenyl)piperazin-2-one 98+% 780753-89-1 1g $315 2026-06-05 Buy
aablocks AA005OI2 1-(4-Fluorophenyl)piperazin-2-one 98+% 780753-89-1 100mg $72 2026-05-28 Buy
aablocks AA005OI2 1-(4-Fluorophenyl)piperazin-2-one 98+% 780753-89-1 250mg $107 2026-05-28 Buy
Product number Packaging Price Buy
A508166 100mg $81 Buy
A508166 250mg $121 Buy
A508166 1g $315 Buy
AA005OI2 100mg $72 Buy
AA005OI2 250mg $107 Buy

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE Chemical Properties,Uses,Production

Synthesis

tert-Butyl 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylate

1284243-44-2

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE

780753-89-1

General procedure for the synthesis of 1-(4-fluorophenyl)-2-piperazinone from tert-butyl 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylate: To a solution of 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylic acid tert-butyl 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylate (2 g, 6.80 mmol) in methylene chloride (5 ml), was slowly added a solution of 1,4-dioxane with hydrogen chloride (16.99 ml. 68.0 mmol). The reaction mixture was stirred at 0°C and subsequently warmed up to 25°C and continued stirring for 3 hours. After completion of the reaction, the solvent was removed by evaporation under reduced pressure to give the crude product salt. The crude product was ground with ether (2 x 10 ml), decanted and dried to give 1-(4-fluorophenyl)piperazin-2-one hydrochloride (1.2 g, 5.20 mmol, 77% yield). The product was characterized by 1H NMR (400 MHz, DMSO-d6): δ 9.9 (broad single peak, 1H, D2O exchangeable), 7.38-7.34 (multiple peaks, 4H), 3.85-3.72 (multiple peaks, 4H), 3.55-3.50 (multiple peaks, 2H). Mass spectrometry analysis showed m/z 195 (M+1).

References

[1] Patent: WO2014/9872, 2014, A1. Location in patent: Page/Page column 64

1284243-44-2
780753-89-1
Synthesis of 1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE from tert-Butyl 4-(4-fluorophenyl)-3-oxopiperazine-1-carboxylate

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE Preparation Products And Raw materials

1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE Suppliers

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1-(4-FLUORO-PHENYL)-PIPERAZIN-2-ONE 1-(4-Fluorophenyl)-2-piperazinone 2-Piperazinone, 1-(4-fluorophenyl)- 780753-89-1
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