Description

Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid is a heterocyclic carboxylic acid derivative that serves as a versatile and high-value building block in advanced organic synthesis. Its fused pyrazolopyrimidine core is a privileged scaffold for developing compounds with significant biological activity. This intermediate is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, anticancer agents, and other small-molecule therapeutics targeting various disease pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive heterocyclic structure.
• Chemical Biology & Probe Development: Employed in the design and synthesis of molecular probes for studying enzyme function and cellular signaling processes.
• Material Science Research: Investigated as a building block for organic electronic materials, such as ligands in coordination polymers or metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds and libraries for high-throughput screening.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid
CAS No.	25940-35-6
Molecular Formula	C7H5N3O2
Molecular Weight	163.14 g/mol
Synonyms	3-Pyrazolo[1,5-a]pyrimidinecarboxylic acid; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 1H-Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 25940-35-6; Pyrazolopyrimidine-3-carboxylic acid; 3-Carboxypyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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