Description

2,4-Dichloro-6,7,8,9-tetrahydro-5H-pyrimido[5,4-d]azepine is a high-value, heterocyclic organic compound featuring a fused pyrimidine-azepine core structure. This molecule serves as a critical advanced pharmaceutical intermediate and a versatile scaffold for medicinal chemistry, enabling the synthesis of novel bioactive compounds. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical sectors for developing new active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential kinase inhibitors and other small-molecule drug candidates.
• Medicinal Chemistry Research: Used as a privileged scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Serves as a precursor in the research and development of new herbicides or plant growth regulators.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for specialized chemical products.
• Academic & Institutional Research: Utilized in universities and research institutes for exploring novel heterocyclic chemistry and reaction pathways.

Basic Information

Product Name	2,4-Dichloro-6,7,8,9-tetrahydro-5H-pyrimido[5,4-d]azepine
CAS No.	635698-50-9
Molecular Formula	C9H9Cl2N3
Molecular Weight	230.10 g/mol
Synonyms	2,4-Dichloro-5H-pyrimido[5,4-d]azepine, 6,7,8,9-tetrahydro-; 5H-Pyrimido[5,4-d]azepine, 2,4-dichloro-6,7,8,9-tetrahydro-; 2,4-Dichloro-6,7,8,9-tetrahydro-5H-pyrimido[5,4-d]azepine; Tetrahydro-pyrimidoazepine dichloride; CAS 635698-50-9
EINECS	Contact for details

Quality Control

Every batch of 2,4-Dichloro-6,7,8,9-tetrahydro-5H-pyrimido[5,4-d]azepine is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency meet the exacting standards required for research and development. Certificates of Analysis (COA) with detailed specifications from techniques such as HPLC, NMR, and MS are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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 (HPLC/MS)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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