3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone

Modify Date: 2025-08-26 10:09:38

3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone Structure
3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone structure
 Common Name 3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone
CAS Number 56469-02-4 Molecular Weight 163.173
Density 1.3±0.1 g/cm3 Boiling Point 473.8±45.0 °C at 760 mmHg
Molecular Formula C9H9NO2 Melting Point N/A
MSDS N/A Flash Point 240.4±28.7 °C

 Names

Name 5-hydroxy-3,4-dihydro-2h-isoquinolin-1-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 473.8±45.0 °C at 760 mmHg
Molecular Formula C9H9NO2
Molecular Weight 163.173
Flash Point 240.4±28.7 °C
Exact Mass 163.063324
PSA 49.33000
LogP 0.05
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.604

 Safety Information

HS Code 2933990090

 Synthetic Route

4-Hydroxyindanone structure

4-Hydroxyindanone

CAS#:40731-98-4

~16%

3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone Structure

3,4-dihydro-5-h...

CAS#:56469-02-4

Literature: Miyake, Yoshinori; Shimadzu, Hiroshi; Hashimoto, Naoto; Ishida, Yoshio; Shibakawa, Masahiko; Nishimura, Tsunehiko Journal of Labelled Compounds and Radiopharmaceuticals, 2000 , vol. 43, # 10 p. 983 - 988
1,5-Isoquinolinediol structure

1,5-Isoquinolinediol

CAS#:5154-02-9

~83%

3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone Structure

3,4-dihydro-5-h...

CAS#:56469-02-4

Literature: Showalter; Sercel; Stier; Turner Journal of Heterocyclic Chemistry, 2001 , vol. 38, # 4 p. 961 - 964
1,5-Isoquinolinediol structure

1,5-Isoquinolinediol

CAS#:5154-02-9

~%

3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone Structure

3,4-dihydro-5-h...

CAS#:56469-02-4

isoquinoline-1-oxide structure

isoquinoline-1-oxide

CAS#:762236-09-9

Literature: US4847264 A1, ; US 4847264 A

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3,4-dihydro-5-hydroxy-1(2H)-isoquinoline
5-hydroxy-3,4-dihydroisoquinolin-1(2H)-one
5-Hydroxy-1,2,3,4-tetrahydro-1-(2H) isoquinolone
5-Hydroxy-3,4-dihydro-1(2H)-isoquinolinone
F2135-0735
3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone
1(2H)-Isoquinolinone, 3,4-dihydro-5-hydroxy-
5-hydroxy-3-4-dihydro-2H isoquinolin-1-one
5-Hydroxy-3,4-dihydro-2H-isoquinolin-1-one
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Chemsrc provides CAS#:56469-02-4 MSDS, density, melting point, boiling point, structure, etc. Its name is 3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone>> amp version: 3,4-dihydro-5-hydroxy-1(2H)-isoquinolinone

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