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3-Hydroxyisoindolin-1-on

3-Hydroxyisoindolin-1-on structure

CAS No.: 23206-20-4

Chemical Name:: 3-Hydroxyisoindolin-1-on

Synonyms: 3-Hydroxyisoindolin-1-on;rac 3-Hydroxyisoindolin-1-on;3,4-dihydro-4-hydroxyIsocarbostyril;3,4-Dihydro-4-hydroxy-1(2H)-isoquinolinone;4-hydroxy-3,4-dihydroisoquinolin-1(2H)-one;4-hydroxy-3,4-dihydro-1(2H)-isoquinolinone;1(2H)-Isoquinolinone, 3,4-dihydro-4-hydroxy-;rac 3,4-Dihydro-4-hydroxy-1(2H)-isoquinolinone;rac 4-Hydroxy 3,4-Dihydro-1(2H)-isoquinolinone

CBNumber:: CB9507456

Molecular Formula:: C9H9NO2

Molecular Weight:: 163.17

MDL Number:

MOL File:: 23206-20-4.mol

MSDS File:: SDS

Last updated:2026-09-12 18:56:31

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3-Hydroxyisoindolin-1-on Properties

Melting point	136-138C
storage temp.	Refrigerator
solubility	DMSO (Slightly), Methanol (Slightly)
form	Solid
color	White to Off-White

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P280-P305+P351+P338

3-Hydroxyisoindolin-1-on price More Price(8)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	TRC-H943560-250MG	rac 4-Hydroxy 3,4-Dihydro-1(2H)-isoquinolinone	23206-20-4	250mg	$809	2026-06-03	Buy
aablocks	AA002MFP	4-Hydroxy-3,4-dihydroisoquinolin-1(2H)-one	23206-20-4	250mg	$768	2026-05-28	Buy
AccelPharmtech	R1791	3,4-dihydro-4-hydroxy-1(2H)-Isoquinolinone 97.00%	23206-20-4	1G	$3120	2026-05-21	Buy
AccelPharmtech	R1791	3,4-dihydro-4-hydroxy-1(2H)-Isoquinolinone 97.00%	23206-20-4	5G	$5360	2026-05-21	Buy
AccelPharmtech	R1791	3,4-dihydro-4-hydroxy-1(2H)-Isoquinolinone 97.00%	23206-20-4	25G	$13300	2026-05-21	Buy

Product number	Packaging	Price	Buy
TRC-H943560-250MG	250mg	$809	Buy
AA002MFP	250mg	$768	Buy
R1791	1G	$3120	Buy
R1791	5G	$5360	Buy
R1791	25G	$13300	Buy

3-Hydroxyisoindolin-1-on Chemical Properties, Uses, Production

Chemical Properties

Slightly Yellow Solid

Uses

Rac 4-Hydroxy 3,4-Dihydro-1(2H)-isoquinolinone is used in the new synthetic route of isoquinolin-1(2H)-one derivatives.

3-Hydroxyisoindolin-1-on synthesis

Synthesis of 3-Hydroxyisoindolin-1-on from Benzoic acid, 2-(2-oxiranyl)-, methyl ester

3-Hydroxyisoindolin-1-on Preparation Products And Raw materials

Raw materials

Preparation Products

Isocarbostyril

3-Hydroxyisoindolin-1-on Suppliers

Global Suppliers ( 15)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
Shenzhen Polymeri Biochemical Technology Co., Ltd.	+86-400-002-6226	sales@rrkchem.com	China	57336	58
Energy Chemical	400-0056266	marketing1@energy-chemical.com	China	44927	58
LGC Science (Shanghai) Ltd.	17717235263 17717235263	offer.de@lgcgroup.com	China	38135	58
DAYANG CHEM (HANGZHOU) CO.,LTD	+86-88938639 +86-17705817739	info@dycnchem.com	China	53589	58

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Chemsky（shanghai）International Co.,Ltd.	50
Shenzhen Polymeri Biochemical Technology Co., Ltd.	58
Energy Chemical	58
LGC Science (Shanghai) Ltd.	58
DAYANG CHEM (HANGZHOU) CO.,LTD	58

rac 3-Hydroxyisoindolin-1-on rac 4-Hydroxy 3,4-Dihydro-1(2H)-isoquinolinone 3,4-Dihydro-4-hydroxy-1(2H)-isoquinolinone 3,4-dihydro-4-hydroxyIsocarbostyril rac 3,4-Dihydro-4-hydroxy-1(2H)-isoquinolinone 4-hydroxy-3,4-dihydroisoquinolin-1(2H)-one 1(2H)-Isoquinolinone, 3,4-dihydro-4-hydroxy- 4-hydroxy-3,4-dihydro-1(2H)-isoquinolinone 3-Hydroxyisoindolin-1-on 23206-20-4 Heterocycles Aromatics Compounds Aromatics