ChemicalBook > CAS DataBase List > 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone

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

Description

Product Name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone
CAS No.: 22246-18-0
Chemical Name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone
Synonyms: 7-HYDROXY-3,4-DIHYDROQUINOLIN-2(1H)-ONE;7-HYDROXY-3,4-DIHYDROCARBOSTYRIL;7-HYDROXY-3,4-DIHYDRO-2(1H)-QUINOLINONE;7-HYDROXY-3,4-DIHYDRO-1H-QUINOLIN-2-ONE;7-Hydroxy-3;AURORA KA-4813;Aripiprazole Imp.A;3,4-Dihydro-7-hydrox;7-Hydroxy carbostyril;Aripiprazole Impurity 13
CBNumber: CB5325629
Molecular Formula: C9H9NO2
Formula Weight: 163.17
MOL File: 22246-18-0.mol

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

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
InChI: InChI=1S/C9H9NO2/c11-7-3-1-6-2-4-9(12)10-8(6)5-7/h1,3,5,11H,2,4H2,(H,10,12)
InChIKey: LKLSFDWYIBUGNT-UHFFFAOYSA-N
SMILES: N1C2=C(C=CC(O)=C2)CCC1=O
CAS DataBase Reference: 22246-18-0(CAS DataBase Reference)

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Safety

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

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 675369
Product name: 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone
Purity: 97%
Packaging: 1g
Price: $26.8
Updated: 2025/07/31

TCI Chemical

Product number: D3599
Product name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone
Purity: >98.0%(HPLC)(N)
Packaging: 5g
Price: $17
Updated: 2025/07/31

TCI Chemical

Product number: D3599
Product name: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone
Purity: >98.0%(HPLC)(N)
Packaging: 25g
Price: $43
Updated: 2025/07/31

TRC

Product number: D449145
Product name: 3,4-Dihydro-7-hydroxyquinoline-2(1H)-one
Packaging: 5g
Price: $135
Updated: 2021/12/16

AK Scientific

Product number: J53734
Product name: 7-Hydroxy-3,4-dihydro-quinolin-2-one
Packaging: 5g
Price: $10
Updated: 2021/12/16

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3,4-Dihydro-7-hydroxy-2(1H)-quinolinone Chemical Properties,Usage,Production

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)-quinolinone Preparation Products And Raw materials

Raw materials

Preparation Products

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

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View Lastest Price from 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0
Price: US $0.00-0.00/Kg/Drum
Min. Order: 1KG
Purity: 98%min
Supply Ability: 1000kgs
Release date: 2021-11-16

Shaanxi Dideu New Materials Co. Ltd

Product: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 10000KGS
Release date: 2025-04-10

Henan Aochuang Chemical Co.,Ltd.

Product: 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 22246-18-0
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-09-26

22246-18-0, 3,4-Dihydro-7-hydroxy-2(1H)-quinolinoneRelated Search:

4'-Hydroxyacetophenone CHLOROPHOSPHONAZO III Quinhydrone 2'-Hydroxyacetophenone 2-Quinolinol Tetrahydro-4H-pyran-4-one Neosperidin dihydrochalcone 1-Tetralone 8-Hydroxyquinoline Dehydroepiandrosterone 7-Hydroxyquinolinone 7-(4-BROMOBUTOXY)-QUINOLINE-2(1H)-ONE Brexpiprazole Impurity 20 Brexpiprazole Impurity 5 HCl 7-(4-chlorobutoxy)-1-{4-[(2-oxo-1,2-dihydroquinolin-7-yl)oxy]butyl}-1,2-dihydroquinolin-2-one (E)-N-(3-METHOXY-PHENYL)-3-PHENYL-ACRYLAMIDE 5-HYDROXY-2(1H)-QUINOLINONE 7,7'-(butane-1,4-diylbis(oxy))bis(quinolin-2(1H)-one)

7-Hydroxy-3,4-dihydro-2(1<i>H</i>)-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

7-Hydroxy-1,2,3,4-tetrahydro-2-chinolinon

7-HYDROXY-1,2,3,4-TETRAHYDRO-2-QUINOLINONE

7-HYDROXY-1,2,3,4-TETRAHYDROQUINOLIN-2-ONE

7-HYDROXY-1,2,3,4-TETRAHYDROQUINOLINE-2-ONE

7-HYDROXY-3,4-DIHYDRO-1H-QUINOLIN-2-ONE

7-HYDROXY-3,4-DIHYDRO-2(1H)-QUINOLINONE

7-HYDROXY-3,4-DIHYDRO-2-OXO-(1H)-QUINOLINE

7-HYDROXY-3,4-DIHYDROCARBOSTYRIL

7-HYDROXY-3,4-DIHYDRO CARBOSTYRYL

7-HYDROXY-3,4-DIHYDROQUINOLIN-2(1H)-ONE

7-HYDROXY-3,4-DIHYDRO-QUINOLIN-2-ONE

8-HYDROXY-3,4-DIHYDRO-2(1H)-QUINOLINONE

3,4-DIHYDRO-7-HYDROXYCARBOSTYRIL

7-Hydroxy-2(1H)-3,4-dihydroquinolinone

7-HYDROXY-3,4-DIHYDRO-2(1H)-QUINOLINONE3,4-DIHYDRO-7-HYDROXY-2-(1H)-QUINOLINONE

3,4-Dihydro-7-Hydroxy-2(1H)-Quinlinone

7-Hydroxy-2-Oxo-3,4-Dihydroquinoline

7-Hydroxy-3,4-dihydro-2(1H)-qu

3,4-DIHYDRO-7-HYDROXY-2(1H)-QUINOLINONE /7-HQ

7-HYDROXY-3,4-DIHYDRO-2(1H)-QUINLINONE

7-HYDROXY-3,4-DIHYDRO-2(1H)QUINOLINONE//INTERMEDIATE OF ARIPIPRAZOLE

AURORA KA-4813

(1H)-7-HYDROXY-3,4-DIHYDRO-2-QUINOLINONE

Aripiprazole Imp.A

7-Hydroxy-3,4-dihydro-2(1H)-quinolinone 97%

Aripiprazole Dihydroquinolinone Impurity

7-HYDROXY-2-OXO-3,4-DIHYDROQUINOLINE, 98% ARIPIPRZAOLE INTERMEDIATE

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

7-Hydroxy carbostyril

7-Hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline

2(1H)-Quinolinone,7-hydroxy, 3,4-dihydro-

3,4-Dihydro-7-hydroxy-1H-quinolin-2-one

7-Hydroxy-3,4-dihydro-2-quinolinone

7-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone, 7-Hydroxy-3,4-dihydrocarbostyril

7-Hydroxy-3,4-dihydroquinoline-2(1H)-one

3,4-Dihydro-7-hydrox

4-dihydro-quinolin-2-one

7-Hydroxy-3

7-HYDROXY-3, 4-DIHYDRO-2(1H)-QUINLIONE

Aripiprazole intermediate

Aripiprazole EP Impurity A(3,4-Dihydro-7-hydroxyquinoline-2(1H)-one)

Aripiprazole Impurity 21（Aripiprazole EP Impurity A）

Aripiprazole EP Impurity A

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

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

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

7-Hydroxy-3,4-dihydro-2(1H)-quinoL

7-HYDROXY-3,4-DIHYDROCARBOSTYRIL 22246-18-0

3,4-Dihydro-7-hydroxy-2(1H)-quinolinone ISO 9001：2015 REACH

Aripiprazole EP Impurity A/ Aripiprazole Dihydroquinolinone Impurity