5-METHYL-3(2H)-PYRIDAZINONE

Name: 5-METHYL-3(2H)-PYRIDAZINONE
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CAS No. 54709-94-3
Cat. No. CS-W000548
Purity≥98%
MDL No.MFCD09743644

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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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General Information

CAS No. 54709-94-3
Cat. No. CS-W000548
Purity ≥98%
MDL No. MFCD09743644
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₆N₂O
Molecular Weight 110.11
Synonym(s) 5-Methyl-3(2H)-pyridazinone
SMILES Cc1cn[nH]c(=O)c1

Description

5-Methylpyridazin-3(2H)-one is a bench-stable heterocyclic scaffold featuring a methyl-substituted pyridazinone core. This electron-deficient ring system integrates readily into medicinal chemistry libraries, offering enhanced metabolic stability and favorable solubility for drug discovery applications.

Application

5-Methylpyridazin-3(2H)-one serves as a versatile heterocyclic building block in medicinal chemistry, enabling efficient access to pyridazinone-based scaffolds. Its moderate stability and compatibility with common functional groups facilitate downstream derivatization via nucleophilic substitution or coupling reactions. The methyl substituent enhances lipophilicity and provides a handle for further modification, making it valuable in the development of kinase inhibitors and other bioactive compounds.

Safety Information

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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 45.75
LogP 0.07832
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 0

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5-METHYL-3(2H)-PYRIDAZINONE

CAS No. 54709-94-3

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