Description

Furo[3,4-D]Pyrimidin-7(5H)-One (9Ci) is a high-purity heterocyclic organic compound, identified by CAS NO 26639-92-9, that serves as a critical advanced intermediate in modern synthetic chemistry. Its fused furopyrimidinone structure makes it a valuable building block for constructing complex molecular architectures with potential biological activity. This compound is primarily sought after by research institutions and pharmaceutical development companies engaged in medicinal chemistry and the synthesis of novel active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the research and development of new drug candidates, particularly for targeted therapies.
• Medicinal Chemistry Research: Used as a core scaffold or building block for constructing libraries of compounds in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Synthesis: Serves as an intermediate in the development of novel pesticides and herbicides, leveraging its heterocyclic properties.
• Academic & Industrial R&D: Employed in synthetic organic chemistry research to explore new reactions and methodologies involving fused heterocyclic systems.
• Material Science Precursor: Investigated for the synthesis of specialized organic materials and ligands for metal-organic frameworks (MOFs) or catalysts.

Basic Information

Item	Details
Product Name	Furo[3,4-D]Pyrimidin-7(5H)-One (9Ci)
CAS No.	26639-92-9
Molecular Formula	C6H4N2O2
Molecular Weight	136.11 g/mol
Synonyms	5H-Furo[3,4-d]pyrimidin-7-one; Furo[3,4-d]pyrimidin-7(5H)-one; 7H-Furo[3,4-d]pyrimidin-7-one; 26639-92-9; Furopyrimidinone; Furo[3,4-d]pyrimidin-7-ol; 5H-Furo[3,4-d]pyrimidin-7-one (9CI)
EINECS	Contact for details

Quality Control

Our Furo[3,4-D]Pyrimidin-7(5H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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