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287922-71-8 - 4-Bromo-1-methyl-1H-pyrazole-3-carbonitrile, 97% - H33131 - Alfa Aesar

H33131 4-Bromo-1-methyl-1H-pyrazole-3-carbonitrile, 97%

CAS Number

Size Price ($) Quantity Availability
250mg 96.50
1g 268.00
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4-Bromo-1-methyl-1H-pyrazole-3-carbonitrile, 97%


Chemical Properties

Formula Weight
Melting point
Sparingly soluble in water.(0.26 g/L) (25°C),


It is used as pharmaceutical intermediate. Benzoylthiophenes are allosteric enhancers (AE) of agonist activity at the A1 adenosine receptor.


Store in cool dry place. Ensure proper ventilation. Incompatible with oxidizing agents.

Literature References

C. Elisabet Tranberg.; Andrea Zickgraf.; Brian N. Giunta.; Henning Luetjens.; Heidi Figler.; Lauren J. Murphree.; Ruediger Falke.; Holger Fleischer.; ? Joel Linden.; Peter J. Scammells.; Ray. A. Olsson. 2-Amino-3-aroyl-4,5-alkylthiophenes:? Agonist Allosteric Enhancers at Human A1 Adenosine Receptors.J. Med. Chem. 2002, 45 (2),382-389 .

Robert H. Dodd.; Catherine Ouannes.; Malka Robert-Gero.; Pierre Potier. Hybrid molecules: growth inhibition of Leishmania donovani promastigotes by thiosemicarbazones of 3-carboxy-.beta.-carbolines.J. Med. Chem. 1989, 32 (6),1272-1276 .

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H315-H319-H335

Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P301+P310-P305+P351+P338-P304+P340-P362-P312-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

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