Description

5H-Cycloheptapyrimidine (8Ci,9Ci) is a specialized heterocyclic organic compound with the CAS registry number 264-95-9. This fused-ring pyrimidine derivative serves as a valuable and versatile chemical building block and intermediate in advanced organic synthesis. It is primarily sought after by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for herbicides, fungicides, and insecticides, leveraging its unique heterocyclic structure.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct larger, more complex molecular architectures for various applications.
• Material Science Research: Investigated as a monomer or precursor for creating specialty polymers, dyes, or organic electronic materials.
• Academic & Contract Research: Utilized in university laboratories and CROs (Contract Research Organizations) for fundamental chemical research and method development.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in related chemical production.

Basic Information

Product Name	5H-Cycloheptapyrimidine (8Ci,9Ci)
CAS No.	264-95-9
Molecular Formula	C9H8N2
Molecular Weight	144.17 g/mol
Synonyms	5H-Cyclohepta[b]pyrimidine; 5H-Cycloheptapyrimidine; Cycloheptapyrimidine; 5H-1,3-Diazacyclohepta[b]benzene; 5H-Cyclohepta[1,2-d]pyrimidine; 5H-Cyclohepta[2,1-d]pyrimidine; 5H-Cycloheptapyrimidine (8CI,9CI); 5H-Cycloheptapyrimidine, 8CI,9CI
EINECS	Contact for details

Quality Control

Our 5H-Cycloheptapyrimidine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic methods (NMR, IR, MS) for structural confirmation, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

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 an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High-Purity Grade)
Melting Point	Contact for details
Loss on Drying	≤ 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.