3-Chloro-4-methylpyridazine

Name: 3-Chloro-4-methylpyridazine
Brand: ChemScene
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CAS No. 68206-04-2
Cat. No. CS-W021899
Purity≥95%
MDL No.MFCD08460979

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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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Structure of 68206-04-2

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Description

3-Chloro-4-methylpyridazine is a heterocyclic building block featuring a chlorinated pyridazine core with a methyl group at the 4-position. This electron-deficient scaffold enables efficient coupling reactions and serves as a key intermediate in medicinal chemistry, particularly for kinase inhibitors and bioactive nitrogen-rich scaffolds.

Application

3-Chloro-4-methylpyridazine serves as a versatile building block in medicinal chemistry, enabling efficient late-stage functionalization via palladium-catalyzed cross-coupling reactions. Its chloro group exhibits high reactivity toward nucleophiles, while the methyl substituent enhances metabolic stability and modulates electronic properties. The molecule demonstrates excellent bench stability and compatibility with common protecting groups, facilitating its use in constructing heterocyclic scaffolds relevant to API development.

General Information

CAS No. 68206-04-2
Cat. No. CS-W021899
Purity ≥95%
MDL No. MFCD08460979
Storage -20°C, sealed storage, away from moisture
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₅ClN₂
Molecular Weight 128.56
Synonym(s) pyridazine, 3-chloro-4-methyl-
SMILES CC1=C(Cl)N=NC=C1

Computational Chemistry Data

TPSA 25.78
LogP 1.43842
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 0

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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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyridazine compounds

Key Words

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3-Chloro-4-methylpyridazine

CAS No. 68206-04-2

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