Description

3-(1-Methyl-1 H-Pyrazol-3-Yl)-3-Oxo-Propionic Acid Ethyl Ester is a high-purity, versatile organic building block and pharmaceutical intermediate. This compound is valued for its reactive β-keto ester functionality fused with a methylpyrazole heterocycle, enabling its use in complex synthesis. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and insecticides, leveraging its heterocyclic structure.
• Chemical Research & Development: Serves as a crucial building block in medicinal chemistry for creating novel compound libraries and exploring new chemical entities.
• Material Science: Potential monomer or additive in the development of specialized polymers and functional materials.
• Organic Synthesis: Employed in various name reactions, such as Claisen condensations and Michael additions, to construct complex molecular frameworks.

Basic Information

Product Name	3-(1-Methyl-1 H-Pyrazol-3-Yl)-3-Oxo-Propionic Acid Ethyl Ester
CAS No.	958132-55-3
Molecular Formula	C9H12N2O3
Molecular Weight	196.20 g/mol
Synonyms	Ethyl 3-(1-methyl-1H-pyrazol-3-yl)-3-oxopropanoate; 3-Oxo-3-(1-methyl-1H-pyrazol-3-yl)propanoic acid ethyl ester; 1-Methyl-1H-pyrazole-3-carboxylic acid ethyl ester (keto form); Ethyl 1-methyl-1H-pyrazole-3-carboxylate (tautomer); β-Keto ester pyrazole derivative; 958132-55-3; 3-(1-Methylpyrazol-3-yl)-3-oxopropionic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 3-(1-Methyl-1 H-Pyrazol-3-Yl)-3-Oxo-Propionic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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