Description

4-Chloro-2-(Methylthio)-6,7,8,9-Tetrahydro-5H-Pyrimido[4,5-E][1,4]Diazepin-5-One is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused heterocyclic structure. This compound matters as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies. It is primarily needed by research institutions and pharmaceutical manufacturers engaged in the development of kinase inhibitors and other small-molecule drugs.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of novel drug candidates.
• Kinase Inhibitor Synthesis: Serves as a core scaffold for the construction of potent and selective kinase inhibitors targeting various disease pathways.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to optimize drug-like properties and biological activity.
• API Development: Employed in the pilot-scale and commercial-scale synthesis of advanced active pharmaceutical ingredients.
• Biochemical Tool Compound: May be utilized in biochemical assays to study specific enzyme interactions and cellular mechanisms.
• Contract Research & Manufacturing (CRO/CMO): Supplied to service organizations supporting pharmaceutical innovation pipelines.

Basic Information

Product Name	4-Chloro-2-(Methylthio)-6,7,8,9-Tetrahydro-5H-Pyrimido[4,5-E][1,4]Diazepin-5-One
CAS No.	885270-37-1
Molecular Formula	C10H11ClN4OS
Molecular Weight	270.73 g/mol
Synonyms	4-Chloro-2-(methylthio)-6,7,8,9-tetrahydro-5H-pyrimido[4,5-e][1,4]diazepin-5-one; 5H-Pyrimido[4,5-e][1,4]diazepin-5-one, 4-chloro-2-(methylthio)-6,7,8,9-tetrahydro-; 885270-37-1; 4-Chloro-2-methylsulfanyl-6,7,8,9-tetrahydro-5H-pyrimido[4,5-e][1,4]diazepin-5-one; 2-(Methylthio)-4-chloro-6,7,8,9-tetrahydro-5H-pyrimido[4,5-e][1,4]diazepin-5-one
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-(Methylthio)-6,7,8,9-Tetrahydro-5H-Pyrimido[4,5-E][1,4]Diazepin-5-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure compliance with stringent research and pharmaceutical-grade standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
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.