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402-61-9 - 3-Methyl-1H-pyrazole-5-carboxylic acid, 97% - H59899 - Alfa Aesar

H59899 3-Methyl-1H-pyrazole-5-carboxylic acid, 97%

CAS Number

Size Price ($) Quantity Availability
1g 97.70
5g 342.00
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3-Methyl-1H-pyrazole-5-carboxylic acid, 97%


Chemical Properties

Formula Weight
Melting point
Soluble in dimethyl sulfoxide.


3-Methylpyrazole-5-carboxylic acid is a potent and selective D-amino acid oxidase (DAO) (also known as DAAO, DAMOX and OXDA) inhibitor that protects DAO cells from oxidative stress induced by D-Serine. 3-Methylpyrazole-5-carboxylic acid specifically prevents formalin-induced tonic pain.


Store at room temperature. Keep away from oxidizing agents.

Literature References

Donald J. P. Pinto.; Michael J. Orwat.; Shuaige Wang.; John M. Fevig.; Mimi L. Quan.; Eugene Amparo.; Joseph Cacciola.; Karen A. Rossi.; Richard S. Alexander.; Angela M. Smallwood.; Joseph M. Luettgen.; Li Liang.; Bruce J. Aungst.; Matthew R. Wright.; Robert M. Knabb.; Pancras C. Wong.; Ruth R. Wexler.; Patrick Y. S. Lam. Discovery of 1-[3-(Aminomethyl)phenyl]-N-[3-fluoro-2‘-(methylsulfonyl)- [1,1‘-biphenyl]-4-yl]-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide (DPC423), a Highly Potent, Selective, and Orally Bioavailable Inhibitor of Blood Coagulation Factor Xa1.J. Med. Chem. 2001, 44 (4), 566-578.

James R. Pruitt.; Donald J. P. Pinto.; Robert A. Galemmo, Jr.; Richard S. Alexander.; Karen A. Rossi.; Brian L. Wells.; Spencer Drummond.; Lori L. Bostrom.; Debra Burdick.; Robert Bruckner.; Haiying Chen.; Angela Smallwood.; Pancras C. Wong.; Matthew R. Wright.; Steven Bai.; Joseph M. Luettgen. ;Robert M. Knabb.; Patrick Y. S. Lam.; Ruth R. Wexler. Discovery of 1-(2-Aminomethylphenyl)-3-trifluoromethyl-N- [3-fluoro-2‘-(aminosulfonyl)[1,1‘-biphenyl)]-4-yl]-1H-pyrazole-5-carboxyamide (DPC602), a Potent, Selective, and Orally Bioavailable Factor Xa Inhibitor1. J. Med. Chem. 2003, 46 (25),5298-5315 .

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P260-P201-P280g-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves. 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.

Other References

Harmonized Tariff Code


  • A12646

    Triethylamine, 99%
  • B23860

    1,3,5-Tribromobenzene, 98%
  • L06731

    1H-Pyrazole-3,5-dicarboxylic acid monohydrate, 98%
  • 87900

    Zinc chloride, anhydrous, 99.95% (metals basis)

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