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ChemicalBook >> CAS DataBase List >>1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Structure
1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one structure
CAS No.
139122-19-3
Chemical Name:
1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one
Synonyms
4-(2-Hydroxyethyl)indolin-2-one;Ropinirole USP RC A;Ropinirole EP Impurity F;4-(2-HYDROXYETHOXY)INDOLE;Ropinirole Intermediate 5;Ropinirole USP impurity A;4-(2-hydroxyethyl)oxindole;4-(2-YDROXYETHYL)OXYINDOLE;4-(2-Hydroxyethyl)oxyindole;Ropinirol Related Compound A
CBNumber:
CB3501023
Molecular Formula:
C10H11NO2
Molecular Weight:
177.2
MDL Number:
MFCD07782133
MOL File:
139122-19-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:31:05
Request For Quotation

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Properties

Melting point 148-150°C
Boiling point 390.0±42.0 °C(Predicted)
Density 1.253±0.06 g/cm3(Predicted)
storage temp. 2-8°C
solubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka 14.08±0.20(Predicted)
color Pale Beige to Brown
Major Application pharmaceutical (small molecule)
InChI 1S/C10H11NO2/c12-5-4-7-2-1-3-9-8(7)6-10(13)11-9/h1-3,12H,4-6H2,(H,11,13)
InChIKey QRTHVOUKWCEPKJ-UHFFFAOYSA-N
CAS DataBase Reference 139122-19-3(CAS DataBase Reference)
FDA UNII 6YTE425882
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)  Health Hazard (GHS08)
GHS08
Signal word  Danger
Hazard statements  H317-H334
Precautionary statements  P261-P280-P284-P304+P340-P342+P311
Hazard Codes  Xi
Risk Statements  42/43
Safety Statements  36/37
WGK Germany  WGK 3
HS Code  2933790002
Storage Class 11 - Combustible Solids
Hazard Classifications Resp. Sens. 1
Skin Sens. 1

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one price More Price(51)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PHR3345 Ropinirole Related Compound A pharmaceutical secondary standard, certified reference material 139122-19-3 100MG $584 2026-04-30 Buy
Sigma-Aldrich 1605216 Ropinirole Related Compound A 139122-19-3 50mg $753 2026-04-30 Buy
TCI Chemical H1497 4-(2-Hydroxyethyl)oxindole >98.0%(GC) 139122-19-3 200mg $156 2025-07-31 Buy
Usbiological H9044-96 4-(2-Hydroxyethyl)-1,3-dihydro-2H-indolin-2-one 1g $425 2026-06-03 Buy
TRC TRC-H942090-100MG 4-(2-Hydroxyethyl)-1,3-dihydro-2H-indolin-2-one 139122-19-3 100mg $65 2026-06-03 Buy
Product number Packaging Price Buy
PHR3345 100MG $584 Buy
1605216 50mg $753 Buy
H1497 200mg $156 Buy
H9044-96 1g $425 Buy
TRC-H942090-100MG 100mg $65 Buy

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Chemical Properties, Uses, Production

Chemical Properties

Yellow Solid

Uses

Ropinirole Intermediate.

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

4-(2-BroMoethyl)-1,3-dihydro-2H-indolin-2-one

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Suppliers

Global Suppliers ( 215)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TAIYUAN RHF CO.,LTD. +86 351 7031519 sales@RHFChem.com China 2334 56
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Adamas Reagent, Ltd. 400-6009262 15618770481 yhx@titansci.com China 14098 59
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Shanghai Aobo pharmaceutical Technology Co., Ltd 86-21-51320499 aobo@aobopharm.com China 297 57
China Langchem Inc. 0086-21-58956006 China 7798 57
Sinopharm Chemical Reagent Co,Ltd. 86-21-63210123 sj_scrc@sinopharm.com China 9791 79
Supplier Advantage
J & K SCIENTIFIC LTD. 76
TAIYUAN RHF CO.,LTD. 56
Capot Chemical Co., Ltd 66
Adamas Reagent, Ltd. 59
Shanghai Longsheng chemical Co.,Ltd. 59
Nanjing Chemlin Chemical Co., Ltd 64
Chemsky（shanghai）International Co.,Ltd. 50
Shanghai Aobo pharmaceutical Technology Co., Ltd 57
China Langchem Inc. 57
Sinopharm Chemical Reagent Co,Ltd. 79

View Latest Price from 1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one pictures 2026-06-30 1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one
139122-19-3
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
Ropinirole EP Impurity F pictures 2026-03-12 Ropinirole EP Impurity F
139122-19-3
 10mg 0.98 10g ShenZhen H&D Pharmaceutical Technology Co., LTD
4-(2-Hydroxyethyl)oxyindole pictures 2022-01-27 4-(2-Hydroxyethyl)oxyindole
139122-19-3
 1KG 97.4% 100 tons Honest Joy Holdings Limited

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Spectrum

1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one(139122-19-3)1HNMR

139122-19-3 (1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one) Related Search:

Ropinirole N-Oxide 3-Oxo Ropinirole Hydrochloride 2-[2-(Dipropylamino)ethyl]-6-nitrophenylacetic acid hydrochloride Benzeneacetic acid, 2-amino-6-[2-(dipropylamino)ethyl]- 1,3-Dimethylpiperidin-4-one
KEPXVQGMHOPXTA-UHFFFAOYSA-N N-Despropyl Ropinirole Hydrochloride 4-(2-di-N-propylaminoethyl)indole (3Z)-4-[2-(dipropylamino)ethyl]-3-propylidene-1H-indol-2-one:hydrochloride N-Desbispropyl-N-pentyl-2-Methyl Ropinirole
2-(3-Chloro-2-oxo-2,3-dihydro-1H-indol-4-yl)ethyl 4-(trifluoromethyl)benzoate (2-Oxo-2,3-dihydro-1H-indol-4-yl)-acetic acid 4-[2'-[[(4-Methylphenyl)sulfonyl]oxy]ethyl]-1,3-dihydro-2H-indole-2-one Ropinirole 1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one

1of3

4-(2-hydroxyethyl)-1H-indol-2-ol Ropinirol Related Compound A Ropinirole EP Impurity F Ropinirole Related CoMpound A 4-(2-hydroxyethyl)oxindole Ropinirole USP RC A Ropinirole Related Compound A (50 mg) (4-(2-hydroxyethyl)indolin-2-one) 2-(1H-indol-4-yloxy)ethan-1-ol 4-(2-Hydroxyethyl)-1,3-dihydroindol-2-one 4-(2-Hydroxyethyl)oxyindole/1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one 4-(2-Hydroxyethyl)oxyindole(for Ropinirole) 4-(2-HYDROXYETHOXY)INDOLE 4-(2-HYDROXYETHYL)-1,3-DIHYDRO-2H-INDOLIN-2-ONE Ropinirole Impurity 6(Ropinirole EP Impurity F) 4-(2'-HYDROXYETHYL)-1,3-DIHYDRO-2H-INDOLE-2-ONE 4-(2-Hydroxyethyl)-2-oxoindole Ropinirole Intermediate 5 2H-INDOL-2-ONE, 1,3-DIHYDRO-4-(2-HYDROXYETHYL)- 4-(2-YDROXYETHYL)OXYINDOLE 1,3-dihydro-4-(2-hydroxyethyl)-2H-indol-2-one 4-(2’-Hydroxylethyl)-1,3-di- hydro-2H-Indol-2-one 4-(2-Hydroxyethyl)oxyindole 1,3-Dihydro-4-(2-hydroxyethyl)-2H-indole-2-one Ropinirole USP impurity A 4-(2-Hydroxyethyl)oxindole> 4-(2-Hydroxyethyl)-2-indolinone 1,3-DIHYDRO-4-(2-HYDROXYETHYL)-2H-INDOLE-2-ONE 139122-19-3 4-(2-hydroxyethyl)-2,3-dihydro-1H-indol-2-one Ropinirole EP Impurity F/ Ropinirole Related Compound A Ropinirole Related Compound A (4-(2-hydroxyethyl)indolin-2-one) (1605216) Ropinirole Hydrochloride Impurity F Ropinirole Hydrochloride EP Impurity F Ropinirole USP Related Compound A 4-(2-Hydroxyethyl)-1,3-dihydro-2H-indol-2-one Ropinirole EP Impurity F (Ropinirole USP Related Compound A) 4-(2-Hydroxyethyl)indolin-2-one 139122-19-3 Indoles Aromatics Compounds Aromatics Heterocycles Indole Derivatives Pharmaceutical material and intermeidates