Description

(5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazol-3-Yl)Acetic Acid is a high-purity organic compound belonging to the pyrazolone class, serving as a critical advanced intermediate for complex chemical synthesis. Its value lies in providing a versatile molecular scaffold for constructing more complex molecules in regulated industries. This product is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical sectors who require reliable, high-quality building blocks for API and active ingredient development.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting inflammation or central nervous system disorders.
• Agrochemical Research: Used in the development and optimization of new herbicides, fungicides, and plant growth regulators.
• Chemical Synthesis: Serves as a versatile precursor for creating complex heterocyclic compounds and fine chemicals in laboratory and pilot-scale operations.
• Material Science Research: Investigated as a monomer or additive component for specialized polymers and advanced organic materials.
• Academic & Contract Research: Employed in university and CRO settings for methodological development and exploratory chemistry projects.

Basic Information

Product Name	(5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazol-3-Yl)Acetic Acid
CAS No.	37959-11-8
Molecular Formula	C11H10N2O3
Molecular Weight	218.21 g/mol
Synonyms	1-Phenyl-3-pyrazolidone-5-acetic acid; 3-Carboxymethyl-1-phenyl-2-pyrazolin-5-one; 1-Phenyl-5-oxo-2-pyrazoline-3-acetic acid; 1-Phenyl-3-(carboxymethyl)-5-pyrazolone; 5-Oxo-1-phenyl-2-pyrazoline-3-acetic acid; (5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazol-3-yl)acetic acid; 3-(Carboxymethyl)-1-phenyl-2-pyrazolin-5-one
EINECS	Contact for details

Quality Control

Our (5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazol-3-Yl)Acetic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes.

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 incompatible materials such as strong oxidizing agents, strong bases, and strong acids.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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