6-Chloro-5-methylpyridazin-3-amine

Name: 6-Chloro-5-methylpyridazin-3-amine
Brand: ChemScene
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CAS No. 66346-87-0
Cat. No. CS-W018589
Purity≥98%
MDL No.None

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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-5-methylpyridazin-3-amine|CS-W018589

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General Information

CAS No. 66346-87-0
Cat. No. CS-W018589
Purity ≥98%
MDL No. None
Storage -20°C, sealed storage, away from moisture and light
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₅H₆ClN₃
Molecular Weight 143.58
Synonym(s) Pyridazine, 6-amino-3-chloro-4-methyl-(6CI,7CI)
SMILES NC1=NN=C(Cl)C(C)=C1

Description

6-Chloro-5-methylpyridazin-3-amine features a chlorinated pyridazine core with a methyl group at C5 and an amino substituent at C3, delivering a potent electron-deficient heterocyclic scaffold. This configuration enables efficient coupling in transition-metal-catalyzed cross-coupling reactions and facilitates incorporation into bioactive molecules requiring precise electronic tuning. The compound exhibits bench-stable handling characteristics under standard conditions.

Application

6-Chloro-5-methylpyridazin-3-amine serves as a versatile building block in medicinal chemistry, enabling efficient access to pyridazinone-based scaffolds through nucleophilic substitution and coupling reactions. Its chlorine and amino functionalities offer orthogonal reactivity, facilitating the construction of diverse heterocyclic systems. The compound exhibits good bench stability and is compatible with standard synthetic workflows, supporting rapid diversification in drug discovery campaigns.

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 51.8
LogP 1.02062
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 0

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic heterocycle compounds Pyridazine compounds

Key Words

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6-Chloro-5-methylpyridazin-3-amine

CAS No. 66346-87-0

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