6-Chloro-2,4-dimethylpyridazin-3(2H)-one

Name: 6-Chloro-2,4-dimethylpyridazin-3(2H)-one
Brand: ChemScene
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CAS No. 1114563-58-4
Cat. No. CS-0153141
Purity≥95%
MDL No.MFCD27923629

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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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6-Chloro-2,4-dimethylpyridazin-3(2H)-one|CS-0153141

Structure of 1114563-58-4

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General Information

CAS No. 1114563-58-4
Cat. No. CS-0153141
Purity ≥95%
MDL No. MFCD27923629
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₇ClN₂O
Molecular Weight 158.59
Synonym(s) 6-chloro-2,4-dimethylpyridazin-3-one
SMILES CC1=CC(=NN(C)C1=O)Cl

Description

6-Chloro-2,4-dimethylpyridazin-3(2H)-one features a chlorinated pyridazinone core with methyl substituents at C2 and C4, offering enhanced electron-withdrawing character and improved metabolic stability. This scaffold integrates readily into bioactive molecules, serving as a key pharmacophore in kinase inhibitors and targeted therapeutics. The chlorine at C6 enables site-specific functionalization via cross-coupling reactions.

Application

6-Chloro-2,4-dimethylpyridazin-3(2H)-one serves as a versatile building block in medicinal chemistry, enabling efficient access to substituted pyridazinones via palladium-catalyzed cross-coupling. Its chloro group facilitates C–C bond formation under mild conditions, while the enaminone functionality supports further functionalization. The compound exhibits excellent bench stability and compatibility with diverse reaction conditions, simplifying purification and integration into multi-step syntheses of 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 34.89
LogP 0.74212
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridazine compounds

Key Words

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6-Chloro-2,4-dimethylpyridazin-3(2H)-one

CAS No. 1114563-58-4

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