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25940-35-6 - Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 97% - H50318 - Alfa Aesar

H50318 Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 97%

CAS Number

Size Price ($) Quantity Availability
250mg 71.30
1g 247.00
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Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 97%


Chemical Properties

Formula Weight
Melting point
ca 180° dec.
Soluble in water


Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, is used as a chemicals, pharmaceutical intermediates, reagents. It is an important raw material and intermediate used in pharmaceuticals, agro based and dye stuff fields.


Store away from strong oxidizing agents. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

Literature References

Arthur J. Ashe. Trimethylsilyl migrations in the 5-trimethylsilylbicyclo[2.1.0]pentanes. J. Am. Chem. Soc. 1973, 95, (3), 818-821.

M.A. Gouda.; M.A. Berghot.; A.I. Shoei.; A.M. Khalil. Synthesis and antimicrobial of new anthraquinone derivatives incorporating pyrazole moiety. European Journal of Medicinal Chemistry. 2003, 45, (5), 1843-1848.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/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.

Other References

Harmonized Tariff Code


  • H32450

    4-Ethoxy-2,3-difluorobenzaldehyde, 97%
  • H50645

    Ethyl [3-(4-pyridyl)-1H-1,2,4-triazol-5-yl]acetate, 99%
  • A13709

    3-Hydroxy-4-methoxybenzoic acid, 97+%
  • 12598

    Titanium plate, 3.175mm (0.125in) thick, 100x100mm (3.9x3.9in), annealed, 99.5% (metals basis)
  • H32913

    Dimethyl trisulfide, 98%

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