5-chloro-3-(chloromethyl)-1,2,4-thiadiazole
5-chloro-3-(chloromethyl)-1,2,4-thiadiazole (CAS: 74461-64-6), with molecular formula C3H2Cl2N2S and a molecular weight of 169.03 g/mol, is a heterocyclic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure, featuring a thiadiazole ring substituted with chlorine atoms, makes it a versatile intermediate for creating more complex molecules.
- IUPAC
- 3-Chloromethyl-5-chloro-1,2,4-thiadiazole
- Synonyms
- 74461-64-6, C3H2Cl2N2S, 3-Chloromethyl-5-chloro-1,2,4-thiadiazole

Organic Synthesis Intermediate
This compound is utilized as an intermediate in the synthesis of various organic molecules. Its reactive sites allow for diverse chemical transformations, contributing to the construction of complex molecular architectures.
Heterocyclic Chemistry
As a thiadiazole derivative, it is a key component in the study and synthesis of heterocyclic compounds. These structures are fundamental in many areas of chemistry, including medicinal chemistry and materials science.
Research and Development
Its unique structural features make it suitable for use in research and development laboratories exploring new synthetic routes and novel chemical entities.
| Molecular weight | 169.03 |
|---|---|
| Empirical formula | C3H2Cl2N2S |
| Assay | 95% |
| Density | 1.551 g/mL at 25 °C |
| Refractive index | n20/D 1.561 |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 5-chloro-3-(chloromethyl)-1,2,4-thiadiazole used for?
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5-chloro-3-(chloromethyl)-1,2,4-thiadiazole is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry and research and development.
What is the CAS number and molecular formula?
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The CAS number for 5-chloro-3-(chloromethyl)-1,2,4-thiadiazole is 74461-64-6, and its molecular formula is C3H2Cl2N2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-chloro-3-(chloromethyl)-1,2,4-thiadiazole with an assay of 95%. TSS does not represent this product as USP, BP, or EP grade.
How should 5-chloro-3-(chloromethyl)-1,2,4-thiadiazole be handled?
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This compound carries a Danger signal word and is harmful if swallowed (H302) and causes serious eye damage (H318). Appropriate personal protective equipment, including eye protection, should be worn, and spills should be handled with care following safety guidelines. Avoid ingestion and contact with eyes.
How is this chemical exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this product can be exported worldwide. Please contact us for specific shipping and export details.
How can I request a sample or quote?
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To request a sample or a quote for 5-chloro-3-(chloromethyl)-1,2,4-thiadiazole, please contact our sales team through the website or by phone, providing your required quantity and shipping details.
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