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CS-W001157 4
Total: USD 88.00

3-Chloro-1-methyl-1H-pyrazole

  • CAS No. 63425-54-7

  • Cat. No. CS-D1270
  • Purity≥98%
  • MDL No.MFCD09879994

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

3-Chloro-1-methyl-1H-pyrazole|CS-D1270

Structure of 63425-54-7

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General Information

  • CAS No. 63425-54-7
  • Cat. No. CS-D1270
  • Purity ≥98%
  • MDL No. MFCD09879994
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₄H₅ClN₂
  • Molecular Weight 116.55
  • Synonym(s) None
  • SMILES CN1N=C(Cl)C=C1

Description

3-Chloro-1-methyl-1H-pyrazole is a bench-stable heterocyclic scaffold featuring a chlorinated pyrazole core with a methyl substituent at the nitrogen. This electron-deficient ring system serves as a key building block in medicinal chemistry, enabling efficient coupling reactions and offering enhanced metabolic stability in bioactive molecule design.

Application

3-Chloro-1-methyl-1H-pyrazole serves as a versatile building block in medicinal chemistry, enabling efficient construction of pyrazole-based heterocycles. Its electrophilic chlorine atom facilitates nucleophilic substitution reactions under mild conditions, while the N-methyl group enhances solubility and metabolic stability. The compound exhibits good bench stability and compatibility with common functional groups, facilitating straightforward purification and integration into multi-step syntheses.

Synthesis

  • Route1

    References

    • US5817829 A1, ;

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

Quality Control

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Computational Chemistry Data

  • TPSA   17.82
  • LogP   1.0735
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   0

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