Description

1H-Pyrazole-5-Carboxylic Acid, 3-(2-Phenylethenyl)-, Ethyl Ester is a specialized pyrazole derivative that serves as a valuable synthetic intermediate in advanced organic chemistry. This compound is particularly significant for its role in constructing complex molecular architectures, especially in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, heterocyclic compounds, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides that require a pyrazole core structure.
• Material Science: Serves as a precursor for organic ligands and functional molecules used in catalysis and advanced polymers.
• Chemical Synthesis: Employed in academic and industrial laboratories for constructing complex heterocyclic compounds and conducting structure-activity relationship (SAR) studies.
• Fine Chemical Production: Used in the multi-step synthesis of specialty chemicals and high-value performance materials.

Basic Information

Product Name	1H-Pyrazole-5-Carboxylic Acid, 3-(2-Phenylethenyl)-, Ethyl Ester
CAS No.	856061-34-2
Molecular Formula	C14H14N2O2
Molecular Weight	242.27 g/mol
Synonyms	Ethyl 3-(2-Phenylethenyl)-1H-pyrazole-5-carboxylate; 3-Styryl-1H-pyrazole-5-carboxylic Acid Ethyl Ester; 3-(2-Phenylethenyl)-1H-pyrazole-5-carboxylic Acid Ethyl Ester; 5-Ethoxycarbonyl-3-styrylpyrazole; 1H-Pyrazole-5-carboxylic acid, 3-(2-phenylethenyl)-, ethyl ester; 3-Styrylpyrazole-5-carboxylic Acid Ethyl Ester; Ethyl 3-Styryl-1H-pyrazole-5-carboxylate
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-5-Carboxylic Acid, 3-(2-Phenylethenyl)-, Ethyl Ester is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.