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CS-W001157 4
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2-(1H-Pyrazol-3-yl)acetic acid hydrochloride

  • CAS No. 118054-57-2

  • Cat. No. CS-D0036
  • Purity≥95%
  • MDL No.MFCD22201145

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

2-(1H-Pyrazol-3-yl)acetic acid hydrochloride|CS-D0036

Structure of 118054-57-2

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General Information

  • CAS No. 118054-57-2
  • Cat. No. CS-D0036
  • Purity ≥95%
  • MDL No. MFCD22201145
  • Storage -20°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₅H₇ClN₂O₂
  • Molecular Weight 162.57
  • Synonym(s) 1H-Pyrazole-3-acetic acid (hydrochloride)
  • SMILES O=C(O)CC1=NNC=C1.Cl

Description

This bench-stable, moisture-tolerant pyrazole derivative features a reactive acetic acid handle for facile conjugation. The hydrochloride salt enhances solubility in aqueous and polar organic media, enabling efficient integration into bioconjugation workflows and synthetic scaffolds requiring precise functional group placement.

Application

2-(1H-Pyrazol-3-yl)acetic acid hydrochloride serves as a versatile building block for medicinal chemistry and heterocyclic synthesis. Its pyrazole-acetic acid motif enables direct incorporation into bioactive scaffolds, with the carboxylic acid group facilitating amide coupling, esterification, and metal coordination. The hydrochloride salt enhances solubility and bench stability, simplifying handling and purification in standard synthetic workflows.

Synthesis

  • Route1
    • 2-(1h-Pyrazol-3-yl)acetohydrazide|CS-0217211
      144677-14-5
    • ~78%
    • In-stock
      2-(1H-Pyrazol-3-yl)acetic acid hydrochloride|CS-D0036
      118054-57-2

    References

    • Smolyar; Yutilov Russian Journal of Organic Chemistry, 2008 , vol. 44, # 8 p. 1205 - 1210

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   65.98
  • LogP   0.4586
  • H_Acceptors   2
  • H_Donors   2
  • Rotatable_Bonds   2

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