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CS-W001157 4
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5-Hydroxypyrazine-2-Carboxylic Acid

  • CAS No. 34604-60-9

  • Cat. No. CS-0876
  • Purity≥98%
  • MDL No.MFCD11978170

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

5-Hydroxypyrazine-2-Carboxylic Acid|CS-0876

Structure of 34604-60-9

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General Information

  • CAS No. 34604-60-9
  • Cat. No. CS-0876
  • Purity ≥98%
  • MDL No. MFCD11978170
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₅H₄N₂O₃
  • Molecular Weight 140.10
  • Synonym(s) None
  • SMILES O=C(O)C1=NC=C(O)N=C1

Description

5-Hydroxypyrazine-2-carboxylic acid features a pyrazine core functionalized with hydroxyl and carboxylic acid groups at the 5- and 2-positions, respectively. This dual functionality enables participation in diverse synthetic transformations, including amidation, esterification, and metal coordination. The molecule exhibits enhanced solubility in polar solvents and stability under standard bench conditions, facilitating use in medicinal chemistry and materials synthesis.

Application

5-Hydroxypyrazine-2-carboxylic acid serves as a versatile building block for heterocyclic synthesis, enabling efficient access to pyrazine-based scaffolds relevant in medicinal chemistry. Its dual functionality—carboxylic acid and hydroxyl group—facilitates diverse derivatization pathways, including amide coupling, esterification, and oxidation reactions. The compound exhibits good bench stability and is readily purified by recrystallization, supporting its use in multi-step syntheses and API development workflows.

Synthesis

  • Route1
    • Glyoxalic acid 50%w/w in water|CS-W019807
      298-12-4
    • 2,3-Diaminomaleonitrile|CS-0046789
      18514-52-8
    • ~%
    • In-stock
      5-Hydroxypyrazine-2-Carboxylic Acid|CS-0876
      34604-60-9

    References

    • EP1452525 A1, ; Page 15 ;
  • Route2

    References

    • Sato, Nobuhiro; Arai, Shinji Journal of Heterocyclic Chemistry, 1982 , vol. 19, p. 407 - 408
  • Route3
    • 5-(Furan-2-yl)-1,2-dihydropyrazin-2-one|CS-0127209
      82619-62-3
    • ~%
    • In-stock
      5-Hydroxypyrazine-2-Carboxylic Acid|CS-0876
      34604-60-9

    References

    • Journal of Heterocyclic Chemistry, , vol. 19, p. 407 - 408

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   83.31
  • LogP   -0.1196
  • H_Acceptors   4
  • H_Donors   2
  • Rotatable_Bonds   1

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