Description

5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid is a versatile heterocyclic building block and key synthetic intermediate in organic chemistry. This compound is valued for its pyrazole-carboxylic acid structure, which is integral to the synthesis of more complex molecules with potential biological activity. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, pain, and central nervous system disorders.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Synthesis: Acts as a versatile building block for constructing complex heterocyclic compounds and functionalized pyrazole derivatives in academic and industrial R&D.
• Material Science Precursor: Potential use in the synthesis of specialty polymers, ligands for catalysis, or organic electronic materials.
• Bioconjugation & Probe Development: The carboxylic acid group allows for coupling reactions, making it useful for creating biochemical probes and labeled compounds.

Basic Information

Product Name	5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid
CAS No.	49597-17-3
Molecular Formula	C10H8N2O3
Molecular Weight	204.18 g/mol
Synonyms	1-Phenyl-1H-pyrazole-3,5-dione-3-carboxylic acid; 1-Phenyl-3-carboxy-5-pyrazolone; 3-Carboxy-1-phenyl-2-pyrazolin-5-one; 5-Oxo-1-phenyl-2-pyrazoline-3-carboxylic acid; 1-Phenyl-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid; 5-Pyrazolone-3-carboxylic acid, 1-phenyl-; 3-Pyrazolecarboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-
EINECS	Contact for details

Quality Control

Our 5-Oxo-1-Phenyl-2,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by 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 each shipment, and we support custom purity requirements for specific project 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 (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere to maximize stability.

Specification

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

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