Description

5,7-Diphenylpyrazolo[1,5-A]Pyrimidine-2-Carboxylic Acid is a heterocyclic carboxylic acid derivative that serves as a versatile and high-value synthetic building block. This compound is critical for researchers and manufacturers developing advanced materials and active pharmaceutical ingredients (APIs) due to its unique fused pyrazolopyrimidine core. It is primarily utilized in pharmaceutical R&D, agrochemical synthesis, and as a precursor for functional organic materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport or emissive layer materials in display and lighting technologies.
• Coordination Chemistry & Ligand Synthesis: The carboxylic acid group allows for the creation of complexing agents and metal-organic frameworks (MOFs).
• Dye & Pigment Industry: Used in the synthesis of specialized heterocyclic dyes and colorants.
• Academic & Contract Research: A valuable reagent for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	5,7-Diphenylpyrazolo[1,5-A]Pyrimidine-2-Carboxylic Acid
CAS No.	5646-98-0
Molecular Formula	C19H13N3O2
Molecular Weight	315.33 g/mol
Synonyms	5,7-Diphenyl-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid; 5,7-Diphenylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid; Pyrazolo[1,5-a]pyrimidine-2-carboxylic acid, 5,7-diphenyl-; 2-Pyrazolo[1,5-a]pyrimidinecarboxylic acid, 5,7-diphenyl-; 5646-98-0; NSC 163044
EINECS	Contact for details

Quality Control

Our production of 5,7-Diphenylpyrazolo[1,5-A]Pyrimidine-2-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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