Description

6-Chloropyrimido[5,4-D]Pyrimidin-4(3H)-One is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for developing novel pharmaceutical agents, particularly in the research of kinase inhibitors and other targeted therapeutics. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new molecular entities with specific biological activity.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of potential kinase inhibitors for oncology and inflammatory disease research.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products.
• Chemical Biology Probe Synthesis: Serves as a scaffold for creating tool compounds to study biological pathways and target validation.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for specialized, high-value chemical products.
• Academic & Institutional Research: Utilized in universities and research institutes for fundamental studies in heterocyclic chemistry and medicinal chemistry.

Basic Information

Product Name	6-Chloropyrimido[5,4-D]Pyrimidin-4(3H)-One
CAS No.	189747-31-7
Molecular Formula	C6H3ClN4O
Molecular Weight	182.57 g/mol
Synonyms	6-Chloro-3,4-dihydropyrimido[5,4-d]pyrimidin-4-one; 6-Chloro-4H-pyrimido[5,4-d]pyrimidin-4-one; 6-Chloro-3H-pyrimido[5,4-d]pyrimidin-4-one; 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one; 189747-31-7; 6-Chloro-pyrimido[5,4-d]pyrimidin-4-one; 6-Chloro-4-oxo-3,4-dihydropyrimido[5,4-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 6-Chloropyrimido[5,4-D]Pyrimidin-4(3H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting batch-specific results are available upon request 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 ensure optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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