Description

1H-Pyrazole-3-Acetic Acid, 2,5-Dihydro-5-Oxo-, Methyl Ester is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its reactive pyrazolone core, which is essential for constructing complex molecular architectures in advanced organic synthesis. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with pyrazole-based structures.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing complex heterocyclic compounds in medicinal and process chemistry.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new chemical entities and reaction pathways.
• Material Science Precursor: Investigated for the development of specialty polymers and functional organic materials.

Basic Information

Product Name	1H-Pyrazole-3-Acetic Acid, 2,5-Dihydro-5-Oxo-, Methyl Ester
CAS No.	58979-88-7
Molecular Formula	C7H8N2O3
Molecular Weight	168.15 g/mol
Synonyms	Methyl 2,5-dihydro-5-oxo-1H-pyrazole-3-acetate; 3-(Methoxycarbonylmethyl)-1H-pyrazol-5(4H)-one; 5-Oxo-2,5-dihydro-1H-pyrazole-3-acetic acid methyl ester; 1H-Pyrazole-3-acetic acid, 2,5-dihydro-5-oxo-, methyl ester; Methyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate; 3-(Carboxymethyl)-1H-pyrazol-5(4H)-one methyl ester
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3-Acetic Acid, 2,5-Dihydro-5-Oxo-, Methyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.