Description

Ethyl 4,7-Dihydro-7-Oxopyrazolo[1,5-A]Pyrimidine-3-Carboxylate is a high-purity heterocyclic organic compound that serves as a critical synthetic intermediate in advanced pharmaceutical research and development. Its unique fused pyrazolopyrimidine structure makes it a valuable building block for creating novel active pharmaceutical ingredients (APIs) with targeted biological activity. This compound is essential for medicinal chemists and process development scientists working in the pharmaceutical, agrochemical, and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other enzymatic pathways.
• Medicinal Chemistry Research: Used as a core scaffold for constructing diverse chemical libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Serves as a building block for creating new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex, high-value specialty chemicals and dyes.
• Academic & Contract Research: Utilized in university and CRO (Contract Research Organization) laboratories for exploratory research and custom synthesis projects.

Basic Information

Product Name	Ethyl 4,7-Dihydro-7-Oxopyrazolo[1,5-A]Pyrimidine-3-Carboxylate
CAS No.	104556-86-7
Molecular Formula	C9H9N3O3
Molecular Weight	207.19 g/mol
Synonyms	Ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate; 7-Oxo-4,7-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,7-dihydro-7-oxo-, ethyl ester; Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate; 104556-86-7; CAS 104556-86-7
EINECS	Contact for details

Quality Control

Our Ethyl 4,7-Dihydro-7-Oxopyrazolo[1,5-A]Pyrimidine-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring 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 area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider inert gas purging to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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