Description

Methyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate (Wx130133) is a high-purity, heterocyclic organic building block of significant interest in advanced chemical synthesis. This compound matters as a versatile and critical intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, offering a reliable and consistent foundation for innovation.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other biological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its pyrazolopyrimidine core.
• Chemical Synthesis Building Block: Serves as a versatile scaffold for constructing more complex heterocyclic compounds in medicinal and process chemistry.
• Material Science Research: Potential use in the development of organic electronic materials and specialty dyes due to its fused ring structure.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations requiring high-quality, specialized intermediates for custom synthesis projects.

Basic Information

Product Name	Methyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate (Wx130133)
CAS No.	1263059-26-2
Molecular Formula	C8H6ClN3O2
Molecular Weight	211.60 g/mol
Synonyms	Methyl 5-chloro-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylate; 5-Chloro-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid methyl ester; Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate; WX-130133; WX130133; 1263059-26-2; 5-Chloro-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications to support your quality assurance protocols.

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). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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