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4,5-Dichloro-2-(oxan-2-yl)pyridazin-3-one

  • CAS No. 173206-13-8

  • Cat. No. CS-0038275
  • Molecule weight249.09
  • Purity≥96%
  • MDL No.None

*For research and further manufacturing use only, not for direct human use.

4,5-Dichloro-2-(oxan-2-yl)pyridazin-3-one|CS-0038275

Structure of 173206-13-8

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General Information

  • CAS No. 173206-13-8
  • Cat. No. CS-0038275
  • Purity ≥96%
  • MDL No. None
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₁₀Cl₂N₂O₂
  • Molecular Weight 249.09
  • Synonym(s) 4,5-Dichloro-2-(tetrahydro-pyran-2-yl)-2H-pyridazin-3-one
  • SMILES C1CCOC(C1)N2C(=O)C(=C(C=N2)Cl)Cl

Description

This pyridazinone scaffold integrates a sterically hindered oxan-2-yl group and two chlorine substituents at the 4,5-positions, enhancing metabolic stability and enabling selective conjugation in bioconjugation workflows.

Application

4,5-Dichloro-2-(oxan-2-yl)pyridazin-3-one serves as a versatile building block for heterocyclic synthesis, enabling efficient construction of pyridazinone-based scaffolds. The dichloro substitution pattern facilitates nucleophilic aromatic substitution, while the oxan-2-yl group provides a stable, polar handle for further derivatization. Its bench stability and compatibility with standard coupling protocols make it well-suited for medicinal chemistry campaigns and process development.

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-H320-H335
Precautionary Statements : P261-P280-P302+P352

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Computational Chemistry Data

  • TPSA   44.12
  • LogP   2.2492
  • H_Acceptors   4
  • H_Donors   0
  • Rotatable_Bonds   1

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