Description

2-(4-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine is a high-purity, advanced pharmaceutical intermediate belonging to the fused pyrazolopyrazine class of heterocyclic compounds. Its value lies in its role as a critical building block for the synthesis of novel, biologically active molecules, particularly in medicinal chemistry research and development. This compound is primarily needed by pharmaceutical R&D laboratories and fine chemical manufacturers focused on developing new therapeutic agents, such as kinase inhibitors or central nervous system (CNS) active drugs.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, especially those targeting protein kinases.
• Medicinal Chemistry Research: Used as a core scaffold or building block for constructing compound libraries in high-throughput screening (HTS) campaigns.
• Biologically Active Molecule Synthesis: Integral to the synthesis of molecules with potential activity in oncology, neurology, and inflammatory diseases.
• Fine Chemical Production: Serves as a specialized intermediate in the multi-step synthesis of complex, high-value organic compounds.
• Contract Research & Development (CRO/CMO): Supplied to organizations providing custom synthesis and process development services for the pharmaceutical industry.
• Academic Research: Utilized in university and institutional labs for studying heterocyclic chemistry and developing new synthetic methodologies.

Basic Information

Item	Detail
Product Name	2-(4-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine
CAS No.	1250443-87-8
Molecular Formula	C13H12ClN3
Molecular Weight	245.71 g/mol
Synonyms	2-(4-Chlorophenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[1,5-a]pyrazine; 4,5,6,7-Tetrahydro-2-(4-chlorophenyl)pyrazolo[1,5-a]pyrazine; 2-(p-Chlorophenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine; Pyrazolo[1,5-a]pyrazine, 2-(4-chlorophenyl)-4,5,6,7-tetrahydro-; 1250443-87-8; AKOS026710293; CTK8G0335
EINECS	Contact for details

Quality Control

Our 2-(4-Chlorophenyl)-4,5,6,7-tetrahydropyrazoline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) with full analytical data are provided for every shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 3.0%

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