Description

7-(Chloromethyl)-2-Cyclopropyl-5H-[1,3,4]Thiadiazolo[3,2-A]Pyrimidin-5-One (Saltdata: Free) is a high-value, heterocyclic organic compound featuring a fused thiadiazolopyrimidinone core with chloromethyl and cyclopropyl substituents. This unique molecular architecture makes it a critical pharmaceutical intermediate and building block for advanced chemical synthesis. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the creation of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting infectious diseases or central nervous system disorders.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or insecticides with specific modes of action.
• Chemical Synthesis: Acts as a versatile scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies and lead optimization.
• Academic & Contract Research: Employed in university and CRO laboratories for fundamental research on heterocyclic chemistry and bioactivity.
• Material Science: Potential use in the development of specialty chemicals or functional materials due to its complex ring system.

Basic Information

Item	Detail
Product Name	7-(Chloromethyl)-2-Cyclopropyl-5H-[1,3,4]Thiadiazolo[3,2-A]Pyrimidin-5-One (Saltdata: Free)
CAS No.	946744-68-9
Molecular Formula	C9H8ClN3OS
Molecular Weight	241.70 g/mol
Synonyms	7-(Chloromethyl)-2-cyclopropyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one; 2-Cyclopropyl-7-(chloromethyl)-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one; [1,3,4]Thiadiazolo[3,2-a]pyrimidin-5-one, 7-(chloromethyl)-2-cyclopropyl-; CAS 946744-68-9; Thiadiazolopyrimidinone derivative; Free base form.
EINECS	Contact for details

Quality Control

Every batch of our 7-(Chloromethyl)-2-Cyclopropyl-5H-[1,3,4]Thiadiazolo[3,2-A]Pyrimidin-5-One is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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