3-hydroxypyrazine-2-carboxylic acid, 98%


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3-hydroxypyrazine-2-carboxylic acid is a useful research chemical and compound, it can be used as a pharmaceutical intermediates.

Our product is a raw chemical in Powder form for laboratory research use only, can NOT be used for any treatment or clinical trials on humans! Your order will NOT be fulfilled unless the order is coming from biotech, pharmaceutical-related business, academic or government institute! If you need place an order, contact APICMO Customer Service, contact APICMO Customer Service.



CAS 20737-42-2
Assay ≧98%
MDL Number MFCD00235136
Chemical Name or Material 2-Pyrazinecarboxylicacid,3,4-dihydro-3-oxo;

3-Hydroxy-2-pyrazinecarboxylic acid;

3-oxo-3,4-dihydro-pyrazine-2-carboxylic acid;


2-Oxo-1,2-dihydropyrazine-3-carboxylic acid;

Physical Form Powder
Molecular Formula C5H4N2O3
Molecular Weight (g/mol) 140.1
Color N/A
Melting Point 218-220 °C
Boiling Point 608.5ºC at 760mmHg
Flash Point 321.8ºC
Density 1.63±0.1 g/cm3(Predicted)
Pka 12.72±0.20(Predicted)
Refractive Index 1.662
Vapor Pressure 1.17E-15mmHg at 25°C


Safety and Handling

GHS H Statement16298-03-6-01

  • H318-H302-H335-H315
  • Causes serious eye damage.
  • Harmful if swallowed.
  • May cause respiratory irritation.
  • Causes skin irritation.


GHS P Statement

  • P261-P280-P305+P351+P338-P304+P340-P405-P501a
  • Avoid breathing dust/fume/gas/mist/vapors/spray.
  • Wear protective gloves/protective clothing/eye protection/face protection.
  • IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
  • Store locked up.
  • Dispose of contents/container in accordance with local/regional/national/international regulations.


WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

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