1(2H)-Isoquinolinone,4-hydroxy-3-methyl

Modify Date: 2026-01-03 20:31:16

1(2H)-Isoquinolinone,4-hydroxy-3-methyl Structure
1(2H)-Isoquinolinone,4-hydroxy-3-methyl structure
Common Name 1(2H)-Isoquinolinone,4-hydroxy-3-methyl
CAS Number 5423-95-0 Molecular Weight 175.18400
Density 1.297g/cm3 Boiling Point 428.5ºC at 760mmHg
Molecular Formula C10H9NO2 Melting Point N/A
MSDS N/A Flash Point 213ºC

 Names

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

Name 4-hydroxy-3-methyl-2H-isoquinolin-1-one

 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 1.297g/cm3
Boiling Point 428.5ºC at 760mmHg
Molecular Formula C10H9NO2
Molecular Weight 175.18400
Flash Point 213ºC
Exact Mass 175.06300
PSA 53.09000
LogP 1.54210
Index of Refraction 1.625
InChIKey HLDXZKOSCHBYGA-UHFFFAOYSA-N
SMILES Cc1[nH]c(=O)c2ccccc2c1O

 Safety Information

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

HS Code 2933499090

 Precursor & DownStream

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

Precursor  0

DownStream  3

 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%

 1(2H)-Isoquinolinone,4-hydroxy-3-methyl | FAQ

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

Q: What is the CAS number of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: CAS number of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is 5423-95-0.
Q: What is the InChIKey of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: InChIKey of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is HLDXZKOSCHBYGA-UHFFFAOYSA-N.
Q: What is the molecular weight of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: Molecular weight of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is 175.18400.
Q: What is the SMILES notation of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: SMILES notation of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is Cc1[nH]c(=O)c2ccccc2c1O.
Q: What is the polar surface area (PSA) of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: Polar surface area (PSA) of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is 53.09000.
Q: What is the English name of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: The English name of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is 4-hydroxy-3-methyl-2H-isoquinolin-1-one.
Q: What is the boiling point of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: Boiling point of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is 428.5ºC at 760mmHg.
Q: What are the downstream products of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: Related downstream products(CAS) of 4-hydroxy-3-methyl-2H-isoquinolin-1-one: 1125-80-0;7115-16-4;861136-82-5.
Q: What is the molecular formula of 4-hydroxy-3-methyl-2H-isoquinolin-1-one?
A: Molecular formula of 4-hydroxy-3-methyl-2H-isoquinolin-1-one is C10H9NO2.
Q: What is the Chinese name of 5423-95-0?
A: Chinese name of 5423-95-0 is 5423-95-0.

 1(2H)-Isoquinolinone,4-hydroxy-3-methylfactory

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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