Description

Ethyl 2-(5-Oxo-4,5-Dihydro-1H-Pyrazol-3-Yl)Acetate is a versatile pyrazolone derivative ester, serving as a critical building block in advanced organic synthesis. This compound is valued for its reactive ketone and ester functionalities, enabling the construction of complex heterocyclic frameworks. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those with pyrazolone or related heterocyclic cores for potential anti-inflammatory, analgesic, or antimicrobial activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its structural motif to create bioactive molecules.
• Fine Chemical Production: Employed as a specialized building block for creating complex organic molecules used in dyes, pigments, and functional materials.
• Academic & R&D: Serves as a valuable reagent in university and corporate research laboratories for methodological studies and exploring new chemical spaces.
• Chemical Library Development: Utilized in combinatorial chemistry and high-throughput screening for generating diverse compound libraries for biological evaluation.

Basic Information

Product Name	Ethyl 2-(5-Oxo-4,5-Dihydro-1H-Pyrazol-3-Yl)Acetate
CAS No.	98334-81-7
Molecular Formula	C7H10N2O3
Molecular Weight	170.17 g/mol
Synonyms	3-Pyrazolone-5-acetic acid ethyl ester; Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate; 3-Carbethoxymethyl-5-pyrazolone; 5-Oxo-4,5-dihydro-1H-pyrazole-3-acetic acid ethyl ester; 1H-Pyrazole-3-acetic acid, 4,5-dihydro-5-oxo-, ethyl ester; Ethyl 3-pyrazolon-5-ylacetate; 3-(Ethoxycarbonylmethyl)-1H-pyrazol-5(4H)-one
EINECS	Contact for details

Quality Control

Our Ethyl 2-(5-Oxo-4,5-Dihydro-1H-Pyrazol-3-Yl)Acetate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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