Description

Diethyl 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarboxylate is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. Its core pyrazolopyrimidine scaffold makes it a versatile intermediate for constructing complex molecular architectures with potential biological activity. This compound is primarily sought by pharmaceutical R&D and agrochemical research sectors for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators leveraging its heterocyclic core.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing fused heterocyclic systems due to its reactive ester and carbonyl functionalities.
• Material Science Research: Potential intermediate for creating organic electronic materials or metal-organic frameworks (MOFs) with specific ligand properties.
• Chemical Biology Probe Development: Utilized as a scaffold for creating tool compounds to study biological processes and identify new therapeutic targets.

Basic Information

Product Name	Diethyl 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarboxylate
CAS No.	155374-25-7
Molecular Formula	C₁₂H₁₃N₃O₅
Molecular Weight	279.25 g/mol
Synonyms	Diethyl 7-oxo-4,7-dihydro-1H-pyrazolo[1,5-a]pyrimidine-3,6-dicarboxylate; 3,6-Pyrazolo[1,5-a]pyrimidinedicarboxylic acid, 4,7-dihydro-7-oxo-, diethyl ester; Diethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3,6-dicarboxylate; 155374-25-7; Pyrazolo[1,5-a]pyrimidine-3,6-dicarboxylic acid, 4,7-dihydro-7-oxo-, diethyl ester
EINECS	Contact for details

Quality Control

Our production of Diethyl 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing purity and identity are provided with every shipment. We support compliance with REACH and other global regulatory frameworks as required.

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 heat sources and incompatible materials. This material is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches 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.