Description

Phthalazine-5-Carboxylic Acid CAS NO 1104070-94-1 is a high-purity, versatile heterocyclic building block and key synthetic intermediate. Its value lies in its functionalized aromatic structure, which is crucial for constructing complex molecules in advanced research and development. This compound is essential for pharmaceutical chemists, agrochemical researchers, and material scientists engaged in the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in the discovery and development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for organic ligands in metal-organic frameworks (MOFs) and other functional polymers.
• Chemical Synthesis: A versatile reagent for constructing complex heterocyclic systems and fused ring structures in organic chemistry.
• Dye & Pigment Industry: Intermediate in the production of specialized dyes and high-performance pigments.
• Academic & R&D: Fundamental research compound in medicinal chemistry and synthetic methodology development.

Basic Information

Product Name	Phthalazine-5-Carboxylic Acid
CAS No.	1104070-94-1
Molecular Formula	C9H6N2O2
Molecular Weight	174.16 g/mol
Synonyms	5-Carboxyphthalazine; Phthalazine-5-carboxylic acid; 1,2-Diazanaphthalene-5-carboxylic acid; 5-Phthalazinecarboxylic acid; 1104070-94-1; AI3-28575; SCHEMBL2180903; ZINC000003799756; AKOS005258890; FT-0628097; NS00012583; 1,2-Diazaanthracene-5-carboxylic acid (alternative naming)
EINECS	Contact for details

Quality Control

Our Phthalazine-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications and industry best practices for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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