S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate
S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate (CAS 882739-48-2) is a specialised chemical reagent with the molecular formula C4H5Cl4NO3S2 and a molecular weight of 321.03. It is primarily utilised in organic synthesis for the preparation of protected guanidine derivatives. This compound serves as a valuable building block in various chemical transformations requiring precise C-X bond formation. TSS supplies this reagent at a minimum purity of 97%.
- IUPAC
- N-(2,2,2-Trichloroethoxysulfonyl)carbonchlorothioic acid S methyl ester
- Synonyms
- 882739-48-2C4H5Cl4NO3S2N-(2,2,2-Trichloroethoxysulfonyl)carbonchlorothioic acid S methyl ester

Protected Guanidine Synthesis
This compound is a key reagent for the preparation of protected guanidine derivatives. Its specific reactivity allows for controlled introduction of guanidine functionalities in complex organic molecules.
C-X Bond Formation
S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate is employed in synthetic strategies involving the formation of carbon-heteroatom bonds. It is suitable for both halogen and non-halogen bond formations.
Chemical Synthesis Reagent
As a versatile synthetic reagent, it finds application in diverse areas of chemical synthesis, contributing to the construction of novel organic compounds and intermediates.
| Molecular weight | 321.03 |
|---|---|
| Empirical formula | C4H5Cl4NO3S2 |
| Assay | 97% |
| Application | Reagent for preparation of protected guanidine derivatives.5 |
| Melting point | 75-79 °C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate used for?
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This compound is used as a reagent for the preparation of protected guanidine derivatives in organic synthesis.
What is the CAS number and formula for S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate?
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The CAS number is 882739-48-2 and the molecular formula is C4H5Cl4NO3S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade as it is not explicitly stated in the verified product data.
How should S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate be handled?
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This compound is classified as harmful if swallowed (H302). When handling, it is essential to wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
How is this chemical shipped?
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This product is shipped and exported by TSS in accordance with international regulations for chemicals classified under UN 3335.
How can I request a quote or sample?
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To request a quote or sample of S-Methyl N-(2,2,2-trichloroethoxysulfonyl)carbonchloroimidothioate, please contact our sales department through the TSS website or direct inquiry channels.
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