Description

4-[4-[[1-(4-Carboxyphenyl)-1,5-Dihydro-3-Methyl-5-Oxo-4H-Pyrazole-4-Ylidene]Methyl]-5-Hydroxy-3-Methyl-1H-Pyrazole-1-Yl]Benzoic Acid CAS NO 64137-48-0 is a high-purity, complex pyrazole derivative with significant utility in advanced material synthesis. This compound is valued for its precise molecular structure, which serves as a critical building block for creating functional dyes and specialized organic frameworks. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel products.

Application

This specialized chemical intermediate enables innovation across several high-value industrial and research domains.

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Functional Dye Synthesis: Used as a core component in the production of high-performance dyes and pigments for textiles, inks, and imaging technologies.
• Agrochemical Research: Acts as a building block for developing new crop protection agents and plant growth regulators.
• Material Science: Employed in the creation of advanced organic materials, including metal-organic frameworks (MOFs) and polymers with specific optical properties.
• Chemical Research: Utilized in academic and industrial R&D for studying heterocyclic chemistry and developing new synthetic methodologies.
• Analytical Reagent: May be used as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	4-[4-[[1-(4-Carboxyphenyl)-1,5-Dihydro-3-Methyl-5-Oxo-4H-Pyrazole-4-Ylidene]Methyl]-5-Hydroxy-3-Methyl-1H-Pyrazole-1-Yl]Benzoic Acid
CAS No.	64137-48-0
Molecular Formula	C23H18N4O6
Molecular Weight	446.41 g/mol
Synonyms	4-[4-[(1-(4-Carboxyphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene)methyl]-5-hydroxy-3-methyl-1H-pyrazol-1-yl]benzoic acid; 4,4'-(1,5-Dihydro-3-methyl-5-oxo-4H-pyrazole-4,4-diyl)bis(methylidyne)]bis(5-hydroxy-3-methyl-1H-pyrazole-1,4-diyl)]dibenzoic acid (alternative IUPAC); Light-sensitive pyrazole dicarboxylic acid derivative; Pyrazole yellow intermediate; CAS 64137-48-0.
EINECS	Contact for details

Quality Control

Our production of 4-[4-[[1-(4-Carboxyphenyl)-1,5-Dihydro-3-Methyl-5-Oxo-4H-Pyrazole-4-Ylidene]Methyl]-5-Hydroxy-3-Methyl-1H-Pyrazole-1-Yl]Benzoic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider conditions under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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