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CS-W001157 4
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5-Methyl-1H-pyrazole-3-carbaldehyde

  • CAS No. 3273-44-7

  • Cat. No. CS-W005538
  • Purity≥96%
  • MDL No.MFCD00159629

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

5-Methyl-1H-pyrazole-3-carbaldehyde|CS-W005538

Structure of 3273-44-7

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General Information

  • CAS No. 3273-44-7
  • Cat. No. CS-W005538
  • Purity ≥96%
  • MDL No. MFCD00159629
  • Storage -20°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₅H₆N₂O
  • Molecular Weight 110.11
  • Synonym(s) 5-Methyl-2H-pyrazole-3-carbaldehyde
  • SMILES CC1=CC(C=O)=NN1

Description

5-Methyl-1H-pyrazole-3-carbaldehyde features a pyrazole core with a methyl group at the 5-position and an aldehyde functionality at the 3-position, enabling direct incorporation into heterocyclic scaffolds. This electron-deficient aldehyde serves as a key building block for medicinal chemistry campaigns, particularly in the development of kinase inhibitors and bioactive nitrogen-containing frameworks.

Application

5-Methyl-1H-pyrazole-3-carbaldehyde serves as a versatile building block in medicinal chemistry, enabling efficient access to heterocyclic scaffolds via nucleophilic addition and condensation reactions. Its aldehyde functionality exhibits robust compatibility with diverse functional groups, facilitating straightforward derivatization under mild conditions. The molecule demonstrates excellent bench stability and ease of purification, making it well-suited for iterative synthesis workflows and scale-up applications in API development.

Synthesis

  • Route1

    References

    • EP1757590 A1, ; Page/Page column 5 ;

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   45.75
  • LogP   0.53062
  • H_Acceptors   2
  • H_Donors   1
  • Rotatable_Bonds   1

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