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Methoxycarbonylsulfenyl chloride

CAS 26555-40-8CH3OCOSClChemical Synthesis

Methoxycarbonylsulfenyl chloride (CAS: 26555-40-8), with the linear formula CH₃OCOSCl and a molecular weight of 126.56 g/mol, is a key organic building block. This sulfur compound, classified as a sulfenyl halide, is utilised in chemical synthesis. Its chemical properties make it a valuable reagent for introducing specific functional groups in organic chemistry research and development, supplied by TSS with an assay of 97%.

IUPAC
S-Chloro O-methyl thiocarbonate
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Methoxycarbonylsulfenyl chloride (CH3OCOSCl) — chemical structure, CAS 26555-40-8; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksSulfenyl HalidesSulfur Compounds
01 /Applications

Organic Synthesis Reagent

Methoxycarbonylsulfenyl chloride serves as a versatile reagent in organic synthesis, facilitating the introduction of specific sulfur-containing moieties. Its reactivity is leveraged in the preparation of more complex organic molecules and intermediates.

Building Block for Complex Molecules

As a fundamental building block, this compound is employed in multi-step syntheses within academic and industrial research settings. It enables chemists to construct targeted molecular architectures efficiently.

Pharmaceutical Intermediate Synthesis

The compound's structure lends itself to applications in the synthesis of pharmaceutical intermediates. Researchers may utilise it in routes leading to novel drug candidates or established active pharmaceutical ingredients.

02 /Properties
Molecular weight126.56
Linear formulaCH3OCOSCl
Assay97%
Boiling point133-134 °C(lit.)
Density1.399 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.481(lit.)
Storage temperature2-8°C
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H226Flammable liquid and vapour
  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point54 °C / 129.2 °F
Transport (UN / ADR)UN 2920 3(8) / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)10-34
Safety statements (S)26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
26555-40-8
MDL number
MFCD00013648
PubChem substance
24862075
Beilstein registry
1849908
05 /Quality & supply

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.

06 /Frequently asked questions

What is Methoxycarbonylsulfenyl chloride used for?

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Methoxycarbonylsulfenyl chloride is primarily used as a reagent and building block in organic synthesis, particularly for introducing sulfur-containing functional groups in the preparation of complex organic molecules and pharmaceutical intermediates.

What is the CAS number and formula for Methoxycarbonylsulfenyl chloride?

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The CAS number for Methoxycarbonylsulfenyl chloride is 26555-40-8, and its linear formula is CH₃OCOSCl.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Methoxycarbonylsulfenyl chloride with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.

What are the safety considerations for handling Methoxycarbonylsulfenyl chloride?

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Methoxycarbonylsulfenyl chloride is classified as Danger (GHS02, GHS05), with hazards H226 (Flammable liquid and vapour) and H314 (Causes severe skin burns and eye damage). Handling requires appropriate personal protective equipment, including faceshields, full-face respirators, gloves, and goggles. Ensure adequate ventilation and avoid ignition sources.

How is Methoxycarbonylsulfenyl chloride packed and shipped?

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Methoxycarbonylsulfenyl chloride is shipped according to UN 2920, Hazard Class 3 (8), Packing Group II regulations. Storage is recommended at 2-8°C.

How can I request a quote or sample for Methoxycarbonylsulfenyl chloride?

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To request a quote or sample of Methoxycarbonylsulfenyl chloride, please contact Tech Serve Solutions directly through our website or sales department.

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