Description

7-Chloro-2,5-Dimethyl-3-Thiophen-2-Yl-Pyrazolo[1,5-A]Pyrimidine is a high-value, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This pyrazolopyrimidine derivative is essential for research and development in the pharmaceutical and agrochemical sectors, where its unique fused-ring structure enables the creation of novel active ingredients. It is primarily sought by R&D chemists and process development scientists working on new drug candidates, crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of kinase inhibitors and other small-molecule therapeutics targeting various diseases.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Biology Probe: Serves as a scaffold for designing molecular probes to study enzyme function and cellular signaling pathways.
• Material Science Precursor: Potential starting material for the synthesis of organic electronic materials or metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	7-Chloro-2,5-Dimethyl-3-Thiophen-2-Yl-Pyrazolo[1,5-A]Pyrimidine
CAS No.	889939-47-3
Molecular Formula	C13H10ClN3S
Molecular Weight	275.75 g/mol
Synonyms	7-Chloro-2,5-dimethyl-3-(thiophen-2-yl)pyrazolo[1,5-a]pyrimidine; 3-(2-Thienyl)-7-chloro-2,5-dimethylpyrazolo[1,5-a]pyrimidine; 889939-47-3; Pyrazolo[1,5-a]pyrimidine, 7-chloro-2,5-dimethyl-3-(2-thienyl)-; 7-Chloro-2,5-dimethyl-3-(2-thienyl)pyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 7-Chloro-2,5-Dimethyl-3-Thiophen-2-Yl-Pyrazolo[1,5-A]Pyrimidine is produced under strict quality management systems. Every 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 each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for regulatory submissions.

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). This compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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.