4-Bromo-1-methylquinolin-2(1H)-one

Name: 4-Bromo-1-methylquinolin-2(1H)-one
Brand: ChemScene
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CAS No. 941-72-0
Cat. No. CS-0151125
Purity≥97%
MDL No.MFCD11858574

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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4-Bromo-1-methylquinolin-2(1H)-one|CS-0151125

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General Information

CAS No. 941-72-0
Cat. No. CS-0151125
Purity ≥97%
MDL No. MFCD11858574
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₈BrNO
Molecular Weight 238.08
Synonym(s) 4-bromo-1-methylquinolin-2-one
SMILES CN1C2=CC=CC=C2C(=CC1=O)Br

Description

4-Bromo-1-methylquinolin-2(1H)-one features a brominated quinolinone scaffold with enhanced electronic modulation from the methyl group at C1. This bench-stable, moisture-tolerant heterocycle integrates readily into transition-metal-catalyzed coupling reactions and serves as a key intermediate in medicinal chemistry for constructing complex nitrogen-containing frameworks.

Application

4-Bromo-1-methylquinolin-2(1H)-one serves as a versatile building block in medicinal chemistry, enabling palladium-catalyzed cross-coupling reactions due to its stable bromo substituent. The quinolinone core provides a rigid, planar scaffold with hydrogen-bonding capacity, facilitating interactions in target binding. Its methyl group enhances lipophilicity and metabolic stability, while the keto-enol tautomerism supports diverse derivatization pathways. Bench-stable and readily purified by crystallization, it functions effectively in modular synthesis of kinase inhibitors and other bioactive heterocycles.

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 22
LogP 2.301
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds quinoline compounds

Key Words

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4-Bromo-1-methylquinolin-2(1H)-one

CAS No. 941-72-0

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