SF4
SF4 (CAS 237056-62-1), with the empirical formula C20H10N6O3 and a molecular weight of 382.33 g/mol, is a specialized chemical compound. It is primarily utilised in areas of chemical biology and synthesis, particularly as a fluorescent probe. This compound offers specific optical properties valuable for research and development in these scientific disciplines, aiding in various analytical and experimental procedures.
- IUPAC
- 3′,6′-Diazido-3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene],Sulfidefluor-4
- Synonyms
- 3′,6′-Diazido-3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene],Sulfidefluor-4

Chemical Synthesis
SF4 serves as a building block or reagent in complex organic synthesis pathways. Its unique structure allows for incorporation into larger molecules, contributing to the development of novel compounds with tailored properties.
Fluorescent Probes
As a fluorescent probe, SF4 can be employed in biochemical and cellular imaging. Its optical characteristics enable researchers to visualise and track specific biological processes or molecular interactions within complex systems.
Chemical Biology Research
This compound is valuable for investigating biological mechanisms at a molecular level. Its application as a probe aids in understanding cellular functions and pathways through fluorescence-based assays.
Probes and Sensors Development
SF4 is relevant in the design and development of new sensor technologies. Its fluorescent properties can be harnessed to create sensitive detection systems for various analytes or environmental conditions.
| Molecular weight | 382.33 |
|---|---|
| Empirical formula | C20H10N6O3 |
| Assay | 97% (HPLC) |
| Storage temperature | −20°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 31-36/37/38 |
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 SF4 used for?
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SF4 is primarily used in chemical synthesis and as a fluorescent probe in chemical biology and for the development of probes and sensors.
What is the CAS number and formula for SF4?
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The CAS number for SF4 is 237056-62-1, and its empirical formula is C20H10N6O3.
What grade and purity does Tech Serve Solutions supply for SF4?
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Tech Serve Solutions supplies SF4 with a purity of 97% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should SF4 be handled and stored?
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SF4 is a Warning substance, classified with H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment (P261, P305 + P351 + P338) and store at -20°C.
How is SF4 packed and shipped by Tech Serve Solutions?
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SF4 is carefully packed according to industry standards for safe transportation and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for SF4?
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To request a sample or a quotation for SF4, please contact the Tech Serve Solutions sales department through our website or by phone.
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