Description

Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid, 5,7-Dichloro- is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound is critical for research and development in medicinal chemistry, serving as a key precursor for novel active pharmaceutical ingredients (APIs). It is primarily sought after by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers developing next-generation small molecule therapeutics and crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial synthon for the development of kinase inhibitors, anticancer agents, and other targeted small-molecule drugs.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and plant growth regulators with specific modes of action.
• Chemical Biology Probe Development: Serves as a scaffold for creating tool compounds to study biological pathways and protein functions.
• Material Science Precursor: Potential building block for advanced organic electronic materials and functional polymers.
• Contract Research & Manufacturing (CRAM): Supplied to CROs and CDMOs for custom synthesis projects and library production.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid, 5,7-Dichloro-
CAS No.	1352891-40-7
Molecular Formula	C7H3Cl2N3O2
Molecular Weight	232.02 g/mol
Synonyms	5,7-Dichloropyrazolo[1,5-a]pyrimidine-3-carboxylic acid; 5,7-Dichloro-3-pyrazolo[1,5-a]pyrimidinecarboxylic Acid; 5,7-Dichloro-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 5,7-dichloro-; 1352891-40-7; 5,7-Dichloro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of our Pyrazolo[1,5-A]Pyrimidine-3-Carboxylic Acid, 5,7-Dichloro- is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive R&D and scale-up processes. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile is supplied with each shipment.

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). The compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Purity (HPLC, Area%)	≥ 97.0%
Single Maximum Impurity	≤ 1.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Heavy Metals	≤ 20 ppm
Loss on Drying	≤ 0.5%

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