Description

5-tert-Butyl-3-Ethyl-6,7-Dihydropyrazolo[1,5-A]Pyrazine-3,5(4H)-Dicarboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This 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 sophisticated molecular scaffolds. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of new drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of complex drug molecules, especially those targeting central nervous system (CNS) disorders.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and the discovery of new bioactive compounds.
• Organic Synthesis Building Block: Used in the construction of fused pyrazolo-pyrazine ring systems for advanced material science and agrochemical research.
• Contract Research & Development (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development for the pharmaceutical industry.

Basic Information

Product Name	5-tert-Butyl-3-Ethyl-6,7-Dihydropyrazolo[1,5-A]Pyrazine-3,5(4H)-Dicarboxylate
CAS No.	1286753-88-5
Molecular Formula	C16H23N3O4
Molecular Weight	321.37 g/mol
Synonyms	5-tert-Butyl-3-ethyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-3,5-dicarboxylate; Ethyl 5-tert-butyl-3-[(ethoxycarbonyl)methyl]-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine-5-carboxylate; 5-(tert-Butyl)-3-ethyl-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-3,5-dicarboxylate; CAS 1286753-88-5; Pyrazolo[1,5-a]pyrazine intermediate; tert-Butyl ethyl pyrazolopyrazine dicarboxylate
EINECS	Contact for details

Quality Control

Our production of 5-tert-Butyl-3-Ethyl-6,7-Dihydropyrazolo[1,5-A]Pyrazine-3,5(4H)-Dicarboxylate adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure compliance with research and pharmaceutical-grade standards. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided 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 (typically 15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

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