7,8-Dihydro-5(6H)-isoquinolinone

Modify Date: 2026-07-16 19:49:53

7,8-Dihydro-5(6H)-isoquinolinone Structure
7,8-Dihydro-5(6H)-isoquinolinone structure
Common Name 7,8-Dihydro-5(6H)-isoquinolinone
CAS Number 21917-86-2 Molecular Weight 147.174
Density 1.2±0.1 g/cm3 Boiling Point 287.4±9.0 °C at 760 mmHg
Molecular Formula C9H9NO Melting Point N/A
MSDS N/A Flash Point 135.2±26.1 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 7,8-dihydro-6H-isoquinolin-5-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.2±0.1 g/cm3
Boiling Point 287.4±9.0 °C at 760 mmHg
Molecular Formula C9H9NO
Molecular Weight 147.174
Flash Point 135.2±26.1 °C
Exact Mass 147.068420
PSA 29.96000
LogP 1.19
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.569
InChIKey AGSMKBYNAKIVTB-UHFFFAOYSA-N
SMILES O=C1CCCc2cnccc21

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933499090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~89%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

Learn More
Literature: PALAU PHARMA, S. A. Patent: WO2007/60198 A1, 2007 ; Location in patent: Page/Page column 33 ; WO 2007/060198 A1

~70%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

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Literature: Nicolaou; Baran; Zhong Journal of the American Chemical Society, 2001 , vol. 123, # 13 p. 3183 - 3185

~29%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

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Literature: Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , # 1 p. 31 - 35

~%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

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Literature: EP1726590 A1, ; Page/Page column 35 ;

~%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

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Literature: Journal of Medicinal Chemistry, , vol. 36, # 22 p. 3381 - 3385

~%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

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Literature: Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 213 - 220

~%

7,8-Dihydro-5(6H)-isoquinolinone Structure

7,8-Dihydro-5(6...

CAS#:21917-86-2

Learn More
Literature: Synthetic Communications, , vol. 26, # 12 p. 2305 - 2308

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Detail Learn More
Literature: Yakugaku Zasshi, , vol. 76, p. 1308 Chem.Abstr., , p. 5076

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933499090
Summary 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 7,8-Dihydro-5(6H)-isoquinolinoneBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Lipophilicity, log D of the compound at pH 7.4 by UV/Vis spectroscopy based shake-fla...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3588702
Name: Partition coefficient of buffer-octanol system, logP of the compound by shake-flask m...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3588703
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

6,7-dihydroisoquinolin-5(8H)-one
7,8-Dihydro-5(6H)-isoquinolinone
7,8-Dihydro-6H-isochinolin-5-on
7,8-dihydroisoquinolin-5(6H)-one
5-oxo-5,6,7,8-tetrahydroisoquinoline

 7,8-Dihydro-5(6H)-isoquinolinone | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the downstream products of 7,8-dihydro-6H-isoquinolin-5-one?
A: Related downstream products(CAS) of 7,8-dihydro-6H-isoquinolin-5-one: 97112-03-3.
Q: What is the LogP of 7,8-dihydro-6H-isoquinolin-5-one?
A: LogP of 7,8-dihydro-6H-isoquinolin-5-one is 1.19.
Q: What English synonyms does 7,8-dihydro-6H-isoquinolin-5-one have?
A: English synonyms of 7,8-dihydro-6H-isoquinolin-5-one: 6,7-dihydroisoquinolin-5(8H)-one, 7,8-Dihydro-5(6H)-isoquinolinone, 7,8-Dihydro-6H-isochinolin-5-on, 7,8-dihydroisoquinolin-5(6H)-one, 5-oxo-5,6,7,8-tetrahydroisoquinoline.
Q: What is the InChIKey of 7,8-dihydro-6H-isoquinolin-5-one?
A: InChIKey of 7,8-dihydro-6H-isoquinolin-5-one is AGSMKBYNAKIVTB-UHFFFAOYSA-N.
Q: What is the boiling point of 7,8-dihydro-6H-isoquinolin-5-one?
A: Boiling point of 7,8-dihydro-6H-isoquinolin-5-one is 287.4±9.0 °C at 760 mmHg.
Q: What is the SMILES notation of 7,8-dihydro-6H-isoquinolin-5-one?
A: SMILES notation of 7,8-dihydro-6H-isoquinolin-5-one is O=C1CCCc2cnccc21.
Q: What is the molecular weight of 7,8-dihydro-6H-isoquinolin-5-one?
A: Molecular weight of 7,8-dihydro-6H-isoquinolin-5-one is 147.174.
Q: What is the English name of 7,8-dihydro-6H-isoquinolin-5-one?
A: The English name of 7,8-dihydro-6H-isoquinolin-5-one is 7,8-dihydro-6H-isoquinolin-5-one.
Q: What is the CAS number of 7,8-dihydro-6H-isoquinolin-5-one?
A: CAS number of 7,8-dihydro-6H-isoquinolin-5-one is 21917-86-2.
Q: What is the molecular formula of 7,8-dihydro-6H-isoquinolin-5-one?
A: Molecular formula of 7,8-dihydro-6H-isoquinolin-5-one is C9H9NO.

 7,8-Dihydro-5(6H)-isoquinolinonefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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