Lot numbers can be found on the outside label of a product:
3,6-Dichloro-4-methylpyridazine
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CAS No. 19064-64-3
- Cat. No. CS-W016104
- Purity≥98%
- MDL No.MFCD00006465
*For research and further manufacturing use only, not for direct human use.
Structure of 19064-64-3
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General Information
- CAS No. 19064-64-3
- Cat. No. CS-W016104
- Purity ≥98%
- MDL No. MFCD00006465
- Storage -20°C, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₅H₄Cl₂N₂
- Molecular Weight 163.00
- Synonym(s) None
- SMILES C1=C(N=NC(=C1C)Cl)Cl
Description
3,6-Dichloro-4-methylpyridazine is a chlorinated pyridazine derivative featuring two chlorine atoms at the 3 and 6 positions and a methyl group at the 4 position. This electron-deficient heterocycle serves as a key building block in medicinal chemistry, enabling efficient coupling reactions and offering enhanced metabolic stability in bioactive molecules.
Application
3,6-Dichloro-4-methylpyridazine serves as a versatile building block in medicinal chemistry, enabling regioselective functionalization via cross-coupling and nucleophilic substitution reactions. The dichloro pattern facilitates sequential derivatization, while the methyl group enhances metabolic stability and modulates electronic properties. Its bench-stable nature and compatibility with palladium-catalyzed transformations make it well-suited for constructing complex heterocyclic scaffolds in API development.
Synthesis
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Route1
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5754-18-7 - ~95%
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In-stock
19064-64-3
References
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Bioorganic and Medicinal Chemistry, , vol. 20, # 5 p. 1644 - 1658
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Route2
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117122-49-3 - ~%
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In-stock
19064-64-3
References
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US4578464 A1, ;
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Route3
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In-stock
616-02-4 - ~%
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In-stock
19064-64-3
References
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Bioorganic and Medicinal Chemistry, , vol. 20, # 5 p. 1644 - 1658
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H315-H319-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 25.78
- LogP 2.09182
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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Key Words
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