ChemicalBook > CAS DataBase List > 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one

5-Hydroxy-3,4-dihydroquinolin-2(1H)-one

Product Name
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one
CAS No.
30389-33-4
Chemical Name
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one
Synonyms
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one;5-Hydroxy-3,4-dihydrocarbostyryl;Carteolol EP Impurity B;5-HYDROXY-3;Carteolol int;Carteolol Impurity 2;Carteolol Intermediate;Aripiprazole impurity 7;Aripiprazole Impurity 14;Brexpiprazole Impurity 70
CBNumber
CB4259600
Molecular Formula
C9H9NO2
Formula Weight
163.17
MOL File
30389-33-4.mol
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5-Hydroxy-3,4-dihydroquinolin-2(1H)-one Property

Melting point:
225-227°C
Boiling point:
381.2±42.0 °C(Predicted)
Density 
1.282±0.06 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
9.63±0.20(Predicted)
color 
White to Off-White
CAS DataBase Reference
30389-33-4(CAS DataBase Reference)
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Safety

Hazard Codes 
Xi
HS Code 
2933499090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P271Use only outdoors or in a well-ventilated area.

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

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N-Bromosuccinimide Price

TCI Chemical
Product number
D5669
Product name
3,4-Dihydro-5-hydroxy-1H-quinolin-2-one
Packaging
1G
Price
$56
Updated
2024/03/01
TCI Chemical
Product number
D5669
Product name
3,4-Dihydro-5-hydroxy-1H-quinolin-2-one
Packaging
5G
Price
$278
Updated
2024/03/01
TRC
Product number
H941410
Product name
5-Hydroxy-3,4-dihydro-2(1H)-quinolinone
Packaging
5g
Price
$425
Updated
2021/12/16
Ark Pharm
Product number
P000281586
Product name
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one
Purity
97%
Packaging
250mg
Price
$15
Updated
2021/12/16
Ark Pharm
Product number
P000281586
Product name
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one
Purity
97%
Packaging
1g
Price
$28
Updated
2021/12/16
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5-Hydroxy-3,4-dihydroquinolin-2(1H)-one Chemical Properties,Usage,Production

Chemical Properties

Off-white Solid

Uses

Carteolol (C184450) metabolite.

Definition

ChEBI: 5-hydroxy-3,4-dihydro-2(1h)-quinolinone is a quinolone and a hydroxyquinoline.

Synthesis

To a 100 ml three-necked flask were added 3,4,7,8-tetrahydro-2,5 (1 H, 6Η) -quinoline dione (0.02 mol) and cyclohexane (25 ml). After stirring to dissolve in the ice bath for 10min, slowly add a dropwise N-bromosuccinimide (0.03mol) in cyclohexane (5ml), and reflux for 3h at the end of the dropwise addition. After completion of the reaction by TLC, cool down to room temperature. Water was added (the amount was 0.7 times the volume of the reactant), and the mixture was allowed to stand with stirring. The aqueous layer was extracted with ethyl acetate (1 × the volume of the aqueous layer 4 times), and the organic layers were combined. Anhydrous sulfuric acid Calcium was dried and filtered, the filtrate was evaporated to remove the solvent, and the residue was dried to give an off-white solid as a 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one (Yield 92.7percent).

5-Hydroxy-3,4-dihydroquinolin-2(1H)-one Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Hydroxy-3,4-dihydroquinolin-2(1H)-one Suppliers

Hangzhou Runyan Medical Technology Co., LTD
Tel
13989459766 18112526015
Email
sales@runyanpharma.com
Country
China
ProdList
369
Advantage
58
Beijing Cooperate Pharmaceutical Co.,Ltd
Tel
+86-010-60279497 +86-15646567669
Fax
010-60279497
Email
sales01@cooperate-pharm.com
Country
China
ProdList
137
Advantage
58
Shandong Mopai Biotechnology Co., Ltd
Tel
13053322091 13053322091
Email
admin@mopaikeji.com
Country
China
ProdList
10964
Advantage
58
Jinan Duowei Innovation Biotechnology Co., Ltd
Tel
0531-58595315 13864187945
Email
415834789@qq.com
Country
China
ProdList
86
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
zhangsn@titansci.com
Country
China
ProdList
14113
Advantage
59
Accela ChemBio Co.,Ltd.
Tel
021-50795510 4000665055
Fax
021-50795055
Email
sales@accelachem.com
Country
China
ProdList
11660
Advantage
64
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070 13913916777;
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
17840
Advantage
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View Lastest Price from 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one manufacturers

Zibo Hangyu Biotechnology Development Co., Ltd
Product
5-HYDROXY-3,4-DIHYDRO-1H-QUINOLIN-2-ONE 30389-33-4
Price
US $65.00-650.00/KG
Min. Order
1KG
Purity
0.99
Supply Ability
20 tons
Release date
2023-10-20
HangZhou RunYan Pharma Technology Co.,LTD.
Product
5-Hydroxy-3,4-dihydroquinolin-2(1H)-one 30389-33-4
Price
US $0.00/kg
Min. Order
1kg
Purity
99% HPLC
Supply Ability
1000kg
Release date
2022-11-08
Shaanxi Dideu Medichem Co. Ltd
Product
5-HYDROXY-3,4-DIHYDRO-1H-QUINOLIN-2-ONE 30389-33-4
Price
US $0.10/KG
Min. Order
1KG
Purity
99.0%
Supply Ability
1000 tons
Release date
2020-04-24

30389-33-4, 5-Hydroxy-3,4-dihydroquinolin-2(1H)-oneRelated Search:


  • 3,4-DIHYDRO-5-HYDROXY-2(1H)-QUINOLINONE
  • 5-HYDROXY-3,4-DIHYDRO-1H-QUINOLIN-2-ONE
  • 5-HYDROXY-3,4-DIHYDRO-2(1H)-QUINOLINONE
  • 3,4-Dihydro-5-hydroxycarbostyril
  • 5-HYDROXY-3,4-DIHYDRO-2-QUINOLINE
  • 5-Hydroxy-2(1H)-3,4-dihydroquinolinone
  • 3,4-Dihydro-5-hydroxy-1H-quinolin-2-one
  • 5-Hydroxy-3,4-dihydrocarbostyril
  • 3,4-Dihydro-5-hydroxyquinolin-2(1H)-one
  • 5-Hydroxy-1,2,3,4-tetrahydroquinoline-2-one
  • 5-hydroxy-1,2,3,4-tetrahydro-2-quinolinone
  • Carteolol int
  • Brexpiprazole Impurity 70
  • 5-hydroxy-1,2,3,4-tetrahydroquinolin-2-one
  • 5-Hydroxy-3,4-dihydrocarbostyryl
  • 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one
  • 2(1H)-Quinolinone, 3,4-dihydro-5-hydroxy-
  • Carteolol HCl EP Impurity B
  • Carbostyril,3,4-dihydro-5-hydroxy- (8CI)
  • Aripiprazole Impurity 14
  • Carteolol Intermediate
  • 5-Hydroxy-3,4-dihydroquinolin-2(1H)
  • Aripiprazole impurity 7
  • Carteolol Hydrochloride impurity B
  • Carteolol EP Impurity B
  • 5-Hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline
  • 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one(For export only)
  • 4-DIHYDRO-1H-QUINOLIN-2-ONE
  • 5-HYDROXY-3
  • 5-hydroxy-3,4-dihydro-1-h-quinoline
  • Aripiprazole impurities1768
  • Carteolol Impurity 2
  • Carteolol EP Impurity B(Aripiprazole Impurity 26)
  • 5-Hydroxy-3,4-dihydro-2(1H)-quinolinone (5-HQ)
  • 5-Hydroxy-3,4-dihydro-2(1h)- quinolinone, 98% (Custom work)
  • 30389-33-4
  • pharmacetical
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals
  • API