Description

Ethyl 4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-7-Carboxylate (Wx141650) is a high-purity, advanced pharmaceutical intermediate with the CAS number 1445951-74-5. This heterocyclic compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical industries for the development of new drug candidates and specialty chemicals.

Application

This specialized intermediate is designed for high-value synthesis applications. Its primary and potential uses include:

• Pharmaceutical Intermediate: A key precursor in the research and development of novel drug molecules, particularly for central nervous system (CNS) and oncology targets.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides that require complex heterocyclic cores.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Active Pharmaceutical Ingredient (API) Manufacturing: Employed in the scaled-up synthesis of approved pharmaceutical compounds where this specific moiety is required.

Basic Information

Product Name	Ethyl 4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-7-Carboxylate (Wx141650)
CAS No.	1445951-74-5
Molecular Formula	C10H13N3O2
Molecular Weight	207.23 g/mol
Synonyms	Ethyl 4,5,6,7-tetrahydro-1H-pyrazolo[1,5-a]pyrazine-7-carboxylate; WX-141650; WX141650; 7-Carbethoxy-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine; 1H-Pyrazolo[1,5-a]pyrazine-7-carboxylic acid, 4,5,6,7-tetrahydro-, ethyl ester; Ethyl 4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-7-carboxylate
EINECS	Contact for details

Quality Control

We supply Ethyl 4,5,6,7-Tetrahydropyrazolo[1,5-A]Pyrazine-7-Carboxylate manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency suitable for research and cGMP manufacturing. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
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.