Description

5-Phenyl-2H-Pyrazole-3-Carboxylic Acid Ethyl Ester is a versatile pyrazole derivative ester, serving as a critical synthetic intermediate in advanced organic chemistry. Its molecular structure makes it a valuable building block for constructing complex heterocyclic compounds and active pharmaceutical ingredients (APIs). This high-purity intermediate is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new molecular entities.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, CNS disorders, and metabolic diseases.
• Agrochemical Research: Used as a core scaffold for developing new generation herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic frameworks for material science and fine chemical applications.
• Chemical Biology Probe Development: Utilized in medicinal chemistry for structure-activity relationship (SAR) studies and hit-to-lead optimization.
• Academic & Industrial R&D: Serves as a standard reagent in research laboratories for methodological development and novel reaction exploration.

Basic Information

Product Name	5-Phenyl-2H-Pyrazole-3-Carboxylic Acid Ethyl Ester
CAS No.	13599-12-7
Molecular Formula	C₁₂H₁₂N₂O₂
Molecular Weight	216.24 g/mol
Synonyms	Ethyl 5-phenyl-1H-pyrazole-3-carboxylate; Ethyl 5-phenylpyrazole-3-carboxylate; 5-Phenyl-1H-pyrazole-3-carboxylic acid ethyl ester; 3-Carbethoxy-5-phenylpyrazole; 5-Phenyl-3-pyrazolecarboxylic acid ethyl ester; 13599-12-7; NSC 163044
EINECS	Contact for details

Quality Control

Our 5-Phenyl-2H-Pyrazole-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.