Description

4-Oxo-3-Phenyl-Phthalazine-1-Carboxylic Acid is a specialized heterocyclic carboxylic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique phthalazine core structure makes it a valuable building block for the development of novel compounds with potential biological activity. This high-purity intermediate is primarily sought after by research institutions and pharmaceutical development companies engaged in medicinal chemistry and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Medicinal Chemistry Research: Used as a core scaffold for constructing libraries of compounds in high-throughput screening for biological activity.
• Agrochemical Development: Serves as a building block in the research and synthesis of new active ingredients for crop protection.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic systems in academic and industrial R&D laboratories.
• Material Science Research: Potential precursor for the development of organic electronic materials or metal-organic frameworks (MOFs).
• Dye and Pigment Intermediate: Used in the research and development of specialized colorants and functional dyes.

Basic Information

Item	Detail
Product Name	4-Oxo-3-Phenyl-Phthalazine-1-Carboxylic Acid
CAS No.	57531-19-8
Molecular Formula	C15H10N2O3
Molecular Weight	266.25 g/mol
Synonyms	3-Phenyl-1-phthalazinecarboxylic acid, 4-oxo-; 1-Carboxy-4-oxo-3-phenylphthalazine; 4-Oxo-3-phenyl-1-phthalazinecarboxylic acid; 3-Phenyl-4-oxophthalazine-1-carboxylic acid; 1-Phthalazinecarboxylic acid, 4-oxo-3-phenyl-; 57531-19-8; 4-Oxo-3-phenylphthalazine-1-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Oxo-3-Phenyl-Phthalazine-1-Carboxylic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation by spectroscopic methods (IR, NMR), and residual solvent analysis. Certificates of Analysis (COA) are available for every batch and provided upon request to support your quality assurance and regulatory documentation 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 organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.