4-Methyl-2H-isoquinolin-1-one

Modify Date: 2026-07-01 18:23:37

4-Methyl-2H-isoquinolin-1-one Structure
4-Methyl-2H-isoquinolin-1-one structure
Common Name 4-Methyl-2H-isoquinolin-1-one
CAS Number 77077-83-9 Molecular Weight 159.18500
Density N/A Boiling Point N/A
Molecular Formula C10H9NO Melting Point N/A
MSDS N/A Flash Point N/A

Summary: 4-Methyl-2H-isoquinolin-1-one (CAS number: 77077-83-9), molecular formula C10H9NO, molecular weight 159.18500. For research-use only, not for medical or clinical usage.


 Names

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

Name 4-Methyl-2H-isoquinolin-1-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.

Molecular Formula C10H9NO
Molecular Weight 159.18500
Exact Mass 159.06800
PSA 32.86000
LogP 1.83650
InChIKey QTMDNWRHSMJECC-UHFFFAOYSA-N
SMILES Cc1c[nH]c(=O)c2ccccc12

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  0

DownStream  1

 Synonyms

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

4-methyl-1-isoquinolinol
4-methyl-isoquinolin-1-ol
4-methyl-1(2H)-isoquinolinone
4-Methyl-isocarbostyril

 4-Methyl-2H-isoquinolin-1-one | FAQ

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

Q: What is the molecular weight of 4-Methyl-2H-isoquinolin-1-one?
A: Molecular weight of 4-Methyl-2H-isoquinolin-1-one is 159.18500.
Q: What is the English name of 4-Methyl-2H-isoquinolin-1-one?
A: The English name of 4-Methyl-2H-isoquinolin-1-one is 4-Methyl-2H-isoquinolin-1-one.
Q: What is the molecular formula of 4-Methyl-2H-isoquinolin-1-one?
A: Molecular formula of 4-Methyl-2H-isoquinolin-1-one is C10H9NO.
Q: What is the polar surface area (PSA) of 4-Methyl-2H-isoquinolin-1-one?
A: Polar surface area (PSA) of 4-Methyl-2H-isoquinolin-1-one is 32.86000.
Q: What is the CAS number of 4-Methyl-2H-isoquinolin-1-one?
A: CAS number of 4-Methyl-2H-isoquinolin-1-one is 77077-83-9.
Q: What is the SMILES notation of 4-Methyl-2H-isoquinolin-1-one?
A: SMILES notation of 4-Methyl-2H-isoquinolin-1-one is Cc1c[nH]c(=O)c2ccccc12.
Q: What is the LogP of 4-Methyl-2H-isoquinolin-1-one?
A: LogP of 4-Methyl-2H-isoquinolin-1-one is 1.83650.
Q: What are the downstream products of 4-Methyl-2H-isoquinolin-1-one?
A: Related downstream products(CAS) of 4-Methyl-2H-isoquinolin-1-one: 24188-78-1.
Q: What English synonyms does 4-Methyl-2H-isoquinolin-1-one have?
A: English synonyms of 4-Methyl-2H-isoquinolin-1-one: 4-methyl-1-isoquinolinol, 4-methyl-isoquinolin-1-ol, 4-methyl-1(2H)-isoquinolinone, 4-Methyl-isocarbostyril.
Q: What is the InChIKey of 4-Methyl-2H-isoquinolin-1-one?
A: InChIKey of 4-Methyl-2H-isoquinolin-1-one is QTMDNWRHSMJECC-UHFFFAOYSA-N.

 4-Methyl-2H-isoquinolin-1-onefactory

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

Dayang Chem (Hangzhou) Co., Ltd.
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