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B25351 Ethyl 1H-pyrazole-4-carboxylate, 98%

CAS Number
1H-Pyrazole-4-carboxylic acid ethyl ester

Stock No. Size Price ($) Quantity Availability
B25351-03 1g 36.50
B25351-06 5g 129.00
B25351-14 25g 522.00
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Ethyl 1H-pyrazole-4-carboxylate, 98%


Chemical Properties

Formula Weight
Melting point
Boiling Point
Storage & Sensitivity
Ambient temperatures.
Miscible with acetone.


Ethyl 1H-pyrazole-4-carboxylate is used in the preparation of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides. Further, it acts as an intermediate in organic synthesis.


Incompatible with strong oxidizing agents, strong acids and bases.

Literature References

Zheng, K.; Iqbal, S.; Hernandez, P.; Park, H.; LoGrasso, P. V.; Feng, Y. Design and Synthesis of Highly Potent and Isoform Selective JNK3 Inhibitors: SAR Studies on Aminopyrazole Derivatives. J. Med. Chem. 2014, 57 (23), 10013-10030.

Mane, R. S.; Sasaki, T.; Bhanage, B. M. Silica supported palladium-phosphine as a reusable catalyst for alkoxycarbonylation and aminocarbonylation of aryl and heteroaryl iodides. RSC Adv. 2015, 5 (115), 94776-94785.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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