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5-HYDROXY-2(1H)-QUINOLINONE

5-HYDROXY-2(1H)-QUINOLINONE structure

CAS No.: 31570-97-5

Chemical Name:: 5-HYDROXY-2(1H)-QUINOLINONE

Synonyms: 5-Hydroxyquinolin-2(1H)-one;NSC 134652;5-Hydroxycarbostyril;Brexpiprazole Impurity 27;5-Hydroxy-2(1H)-quinolone;5-HYDROXY-2(1H)-QUINILINONE;5-Hydroxy-1H-quinolin-2-one;5-HYDROXY-2(1H)-QUINOLINONE;(2(1H)-Quinolinone,5-hydroxy-);5-Hydroxyquinolin-2(1H)-one 99%

CBNumber:: CB3403886

Molecular Formula:: C9H7NO2

Molecular Weight:: 161.16

MDL Number:: MFCD02181132

MOL File:: 31570-97-5.mol

Last updated:2025-08-08 17:45:00

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5-HYDROXY-2(1H)-QUINOLINONE Properties

Melting point	>300°C
Boiling point	402.4±45.0 °C(Predicted)
Density	1.337±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
pka	8.65±0.20(Predicted)
color	Off-White
InChI	InChI=1S/C9H7NO2/c11-8-3-1-2-7-6(8)4-5-9(12)10-7/h1-5,11H,(H,10,12)
InChIKey	XOXGLLQTNQBDKL-UHFFFAOYSA-N
SMILES	N1C2=C(C(O)=CC=C2)C=CC1=O

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302+H312+H332-H315-H319-H335
Precautionary statements	P280-P271
Hazard Codes	Xi
HazardClass	IRRITANT
HS Code	2933499090

5-HYDROXY-2(1H)-QUINOLINONE price More Price(22)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	H953325	5-Hydroxyquinolin-2(1H)-one	31570-97-5	100mg	$80	2021-12-16	Buy
TRC	H953325	5-Hydroxyquinolin-2(1H)-one	31570-97-5	250mg	$170	2021-12-16	Buy
TRC	H953325	5-Hydroxyquinolin-2(1H)-one	31570-97-5	1g	$590	2021-12-16	Buy
TRC	H953325	5-Hydroxyquinolin-2(1H)-one	31570-97-5	5g	$995	2021-12-16	Buy
Matrix Scientific	046726	5-Hydroxy-2(1H)-quinolinone >95%	31570-97-5	1g	$603	2021-12-16	Buy

Product number	Packaging	Price	Buy
H953325	100mg	$80	Buy
H953325	250mg	$170	Buy
H953325	1g	$590	Buy
H953325	5g	$995	Buy
046726	1g	$603	Buy

5-HYDROXY-2(1H)-QUINOLINONE Chemical Properties,Uses,Production

Chemical Properties

Off-white Solid

Uses

5-Hydroxyquinolin-2(1H)-one (cas# 31570-97-5) is a compound useful in organic synthesis.

Definition

ChEBI: 5-hydroxyquinolin-2(1H)-one is a quinolone and a monohydroxyquinoline.

5-HYDROXY-2(1H)-QUINOLINONE synthesis

Synthesis of 5-HYDROXY-2(1H)-QUINOLINONE from 1,2,5,6,7,8-HEXAHYDROQUINOLINE-2,5-DIONE

5-HYDROXY-2(1H)-QUINOLINONE Preparation Products And Raw materials

Raw materials

5-ACETYL-6-[(E)-2-(DIMETHYLAMINO)ETHENYL]-2(1H)-PYRIDINONE 4,6,7,8-TETRAHYDRO-1H,3H-QUINOLINE-2,5-DIONE 1,2,5,6,7,8-HEXAHYDROQUINOLINE-2,5-DIONE 5-Hydroxy-3,4-dihydroquinolin-2(1H)-one

Preparation Products

5-HYDROXY-2(1H)-QUINOLINONE Suppliers

Global( 118)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-029-81138252 +86-173 9270 1263	1057@dideu.com	China	4000	58
Moxin Chemicals	+8617320513646	Anna@molcoo.com	China	9893	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29801	58
Win-Win chemical CO., Limited	+86-0086-577-64498589 +86-15355981851	sales@win-winchemical.com	China	14360	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
sgtlifesciences pvt ltd	+8617013299288	dj@sgtlifesciences.com	China	12373	58
LEAP CHEM CO., LTD.	+86-852-30606658 19957148339;	market18@leapchem.com	China	24727	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Moxin Chemicals	58
Hubei Jusheng Technology Co.,Ltd.	58
Standardpharm Co. Ltd.	58
Alchem Pharmtech,Inc.	58
career henan chemical co	58
Win-Win chemical CO., Limited	58
ANHUI WITOP BIOTECH CO., LTD	58
sgtlifesciences pvt ltd	58
LEAP CHEM CO., LTD.	58

View Lastest Price from 5-HYDROXY-2(1H)-QUINOLINONE manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-07-31	Carteolol Impurity 31570-97-5	US $0.00-0.00 / mg	10mg	95%+	10000	Moxin Chemicals
2024-07-21	5-HYDROXY-2(1H)-QUINOLINONE 31570-97-5	US $1.00 / Kg	1Kg	98%	20T	Shaanxi Dideu Medichem Co. Ltd
2020-01-03	5-HYDROXY-2(1H)-QUINOLINONE 31570-97-5	US $1.00 / KG	1KG	99%	1kg-1000kg	Career Henan Chemical Co

Carteolol Impurity
31570-97-5
US $0.00-0.00 / mg
95%+
Moxin Chemicals

5-HYDROXY-2(1H)-QUINOLINONE
31570-97-5
US $1.00 / Kg
98%
Shaanxi Dideu Medichem Co. Ltd

5-HYDROXY-2(1H)-QUINOLINONE
31570-97-5
US $1.00 / KG
99%
Career Henan Chemical Co

5-HYDROXY-2(1H)-QUINOLINONE Spectrum

5-HYDROXY-2(1H)-QUINOLINONE(31570-97-5)¹HNMR

31570-97-5(5-HYDROXY-2(1H)-QUINOLINONE)Related Search:

4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butan-1-ol 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone 7-hydroxy-2-(1h)-quinolinone Brexpiprazole Impurity 20 Brexpiprazole Impurity 36

Thianaphthene Brexpiprazole Impurity 5 HCl Brexpiprazole Impurity 2 7-(4-chlorobutoxy)-1-{4-[(2-oxo-1,2-dihydroquinolin-7-yl)oxy]butyl}-1,2-dihydroquinolin-2-one Brexpiprazole Impurity 7

Brexpiprazole Impurity 18 Brexpiprazole Impurity 24 Brexpiprazole Impurity 22 (E)-N-(3-METHOXY-PHENYL)-3-PHENYL-ACRYLAMIDE Brexpiprazole Impurity 21

8-(benzo[b]thiophen-4-yl)-5,8-diazaspiro[4.5]decan-5-ium chloride 4-Bromobenzo[b]thiophene 7,7'-(butane-1,4-diylbis(oxy))bis(quinolin-2(1H)-one)

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5-HYDROXY-2(1H)-QUINOLINONE 5-Hydroxy-1H-quinolin-2-one 5-HYDROXY-2(1H)-QUINILINONE 5-Hydroxyquinolin-2(1H)-one 1,2-Dihydro-5-hydroxy-2-oxoquinoline 5-hydroxy-1,2-dihydroquinolin-2-one 5-Hydroxy-2(1H)-quinolone 5-Hydroxycarbostyril NSC 134652 (2(1H)-Quinolinone,5-hydroxy-) Brexpiprazole Impurity 27 Brexpiprazole Impurity 17, 5-Hydroxyquinolin-2(1H)-one 5-Hydroxyquinolin-2(1H)-one 99% 1,2Chemicalbook-Dihydro-5-hydroxy-2-oxoquinoline Brexpiprazole Impurity 3 5-Hydroxy-2(1H)-quinolinone 31570-97-5 Aromatics Heterocycles pharmacetical