Chloromethanesulfonyl chloride CAS 3518-65-8 | High-Purity Supplier & Bulk Manufacturer
| Product Name | Chloromethanesulfonyl chloride |
|---|---|
| Synonyms | Chloromesyl chloride, Methanesulfonyl chloride, chlormethylsulfonyl chloride, Chloromethylsulfonyl Chloride, chloromethylsulfuryl chloride |
| CAS Number | 3518-65-8 |
| Catalog No. | FT-0623682 |
| Molecular Formula | CH2Cl2O2S |
| Molecular Weight | 149.0000 |
| IUPAC Name | chloromethanesulfonyl chloride |
| InChI Key | KQDDQXNVESLJNO-UHFFFAOYSA-N |
| Category | Fine Chemical Intermediates |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

Request Chloromethanesulfonyl chloride (CAS 3518-65-8)
Pricing on request · Quotation within 24 hours
- High-purity grades, COA & SDS included
- Gram to kilogram & bulk quantities
- Custom synthesis & scale-up
- Worldwide compliant shipping
Chloromethanesulfonyl chloride Overview
Chloromethanesulfonyl chloride (CAS 3518-65-8) is a high-purity fine chemical and pharmaceutical intermediate supplied by Finetech Industry Limited for scientific research and product development. It has the molecular formula CH2Cl2O2S and a molecular weight of 149.0000. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies Chloromethanesulfonyl chloride in high-purity grades, supporting pharmaceutical companies, contract research organizations, academic laboratories and industrial customers. Supply capacities range from gram quantities to kilogram and bulk production, with custom synthesis available for non-catalog analogs and scale-up. The exact purity and specification are stated on the Certificate of Analysis for each batch.
Applications of Chloromethanesulfonyl chloride
Fine chemical building block
Used as a high-purity building block in organic synthesis and product development across research and industrial settings.
Analytical and QC applications
Suitable as a reference material for analytical method development, calibration and quality control.
Custom synthesis
Offered as an intermediate for custom synthesis, route development and scale-up.
Supplied as a general research reagent and intermediate for scientific research, analytical, industrial and commercial product-development applications, according to the product grade and the customer's intended use. Please confirm the applicable specification and intended-use requirements when requesting a quote.
Bulk Supply & Packaging
Finetech Industry Limited supplies Chloromethanesulfonyl chloride for research and larger-scale requirements with flexible packaging and scalable manufacturing.
Each shipment includes a COA, SDS, batch traceability and secure protective packaging. Customized packaging and labeling are available on request.
Supply Capabilities
Scale
- Gram scale
- Kilogram scale
- Multi-kg / bulk
- Custom / MT on request
Documentation
- COA
- SDS
- HPLC / GC
- NMR / MS
Manufacturing
- Custom synthesis
- Process development
- Scale-up
- Pilot production
Shipping
- North America
- Europe
- Asia / Middle East
- Oceania
Chloromethanesulfonyl chloride FAQ
What is the CAS number of Chloromethanesulfonyl chloride?
The CAS number of Chloromethanesulfonyl chloride is 3518-65-8. Its molecular formula is CH2Cl2O2S and molecular weight is 149.0000.
What purity of Chloromethanesulfonyl chloride does Finetech Industry Limited supply?
Finetech Industry Limited supplies Chloromethanesulfonyl chloride in high-purity grades. The exact purity is stated on the Certificate of Analysis for each batch and can be confirmed before ordering.
Can Finetech Industry Limited supply Chloromethanesulfonyl chloride in bulk?
Yes. Finetech Industry Limited supplies Chloromethanesulfonyl chloride from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for Chloromethanesulfonyl chloride?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.