4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol
4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol (CAS: 142623-70-9; C16H9F17OS) is a specialised fluorinated organic compound with a molecular weight of 572.28 g/mol. It is characterised by its extensive fluorinated alkyl chain linked via a thioether to a phenol group. This structure lends itself to applications in fluorous phase chemistry, enabling selective purification and the development of novel synthetic methodologies.
- IUPAC
- 4-(1H,1H,2H,2H-Perfluordecylthio)-phenol,FluoMar™
- Synonyms
- 4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenolFluoMar™4-(1H,1H,2H,2H-Perfluordecylthio)-phenol

Fluorous Synthesis
This compound is employed in fluorous synthesis, a technique that leverages the unique solubility properties of highly fluorinated chains for efficient separation and purification of reaction products.
Specialty Chemical Synthesis
It serves as a building block in the synthesis of complex molecules where the incorporation of a perfluorinated moiety is desired for modifying surface properties or facilitating unique reaction pathways.
Rf-Tagged Protecting Groups
The fluorous tail allows for its use in creating protected functional groups that can be readily removed or isolated using fluorous solid-phase extraction techniques.
| Molecular weight | 572.28 |
|---|---|
| Empirical formula | C16H9F17OS |
| Assay | ≥97% |
| Melting point | 90-95 °C |

Hazard statements
- H315Causes skin irritation
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol used for?
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This compound is primarily used in fluorous synthesis and as a building block for specialty chemical synthesis, particularly in applications involving Rf-tagged protecting groups for selective isolation.
What are the CAS number and formula for this product?
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The CAS number is 142623-70-9, and the empirical formula (Hill notation) is C16H9F17OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥97%. It is not supplied as USP, BP, EP, or pharmacopoeia grade.
How should 4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol be handled?
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This product is classified as a Warning. Handle with appropriate personal protective equipment including a dust mask (type N95 US recommended), eyeshields, and gloves to avoid skin and eye irritation and respiratory tract irritation.
How is this chemical supplied and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including this product, which can be packed and shipped according to customer requirements and international regulations.
How can I request a sample or a quote?
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To request a sample or a quote for 4-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecylthio)phenol, please contact our sales team through the website or by phone.
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