Basic information Description Safety Supplier Related
ChemicalBook >  Product Catalog >  Pharmaceutical intermediates >  Heterocyclic compound >  Quinoline compounds >  3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

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
More
Less

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)
More
Less

Safety Information

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

MSDS

More
Less

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

Beijing Nordhuns Chemical Technology Co.,Ltd Gold
Tel
010-84929330 13811281791
Email
info@nordhuns.com
QINGDAO SYSTEMCHEM CO,.LTD. Gold
Tel
15066846586 15712728865 13713086161 13668866880
Email
37904322@qq.com
Shanghai Witofly Chemical Co. ,Ltd. Gold
Tel
021-021-50630626 18964684208
Email
sales@witofly.com
Hangzhou Great Forest Biomedical Ltd. Gold
Tel
0571-28313180 17767135330
Email
info@great-forest.com
Beijing Whale Technology Corporation Ltd. Gold
Tel
010-83694934 13671295325
Email
sales@whalecorporation.com