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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

Basic information Description Safety Supplier Related

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Basic information

Product Name:
3,4-Dihydro-7-hydroxy-2(1H)-quinolinone
Synonyms:
  • 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone
  • Aripiprazole Dihydroquinolinone Impurity (USP)
  • 7-Hydroxy-3,4-dihydro-2(1H)-chinolinon
  • Intermediate of Aripiprazole
  • Aripiprazole Impurity 13
  • 7- hydroxy-3,4- twohydrogen -2(1H)- quinolinone
  • 7-Hydroxy-3,4-dihydro-2(H)-quinolinone
  • 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone SynonyMs 7-Hydroxy Carbostyril
CAS:
22246-18-0
MF:
C9H9NO2
MW:
163.17
EINECS:
239-784-6
Product Categories:
  • Heterocycles
  • Quinoline derivatives
  • INTERMEDIATESOFARIPIPRAZOLE
  • Intermediates of Aripiprazole
  • Aromatics
  • Intermediates & Fine Chemicals
  • Quinolines, Quinazolines and derivatives
  • Aromatics Compounds
  • Pharmaceuticals
  • 22246-18-0
  • john's
Mol File:
22246-18-0.mol
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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Chemical Properties

Melting point:
233-237 °C
Boiling point:
403.7±45.0 °C(Predicted)
Density 
1.282±0.06 g/cm3(Predicted)
storage temp. 
Sealed in dry,Room Temperature
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
9.60±0.20(Predicted)
color 
Pale Yellow
InChIKey
LKLSFDWYIBUGNT-UHFFFAOYSA-N
CAS DataBase Reference
22246-18-0(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
22-43
Safety Statements 
36/37
WGK Germany 
3
HS Code 
29334900

MSDS

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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Usage And Synthesis

Description

3,4-Dihydro-7-hydroxy-2 (1H)-quinolinone is a useful organic and pharmaceutical intermediate. It can be used as the precursor of aripiprazole1, which is an antipsychotic medication. It is also an antitumor agent and hydroxyindole analog inhibitor tyrosinase melanoma.

Chemical Properties

Pale Yellow Powder

Uses

3,4-Dihydro-7-hydroxyquinoline-2(1H)-one (Aripiprazole EP Impurity A) is an antitumor agent. Hydroxyindole analog inhibitor tyrosinase melanoma. This compound is also used in the preparation of aripiprazole (A771000).

3,4-Dihydro-7-hydroxy-2(1H)-quinolinoneSupplier

Hangzhou Great Forest Biomedical Ltd. Gold
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