5-(4-Phenoxybutoxy)psoralen
5-(4-Phenoxybutoxy)psoralen (CAS: 870653-45-5; Formula: C21H18O5) is a white solid with a molecular weight of 350.36 g/mol. This compound, typically supplied with an assay of ≥98% (HPLC), is primarily utilised in research concerning bioactive small molecules, cell biology, and the intricate mechanisms of cell signalling. Its specific applications extend to the investigation of ion channels, particularly voltage-gated and monovalent potassium channels, making it a valuable tool in neuroscience and related fields.
- IUPAC
- PAP-1

Research into Ion Channel Modulation
5-(4-Phenoxybutoxy)psoralen serves as a critical tool for researchers studying the function and modulation of ion channels. Its specific activity against potassium channels allows for detailed investigations into their roles in cellular processes and disease states.
Cell Biology and Signalling Studies
This compound is employed in cell biology research to investigate cell signalling pathways. Its use aids in understanding the complex molecular interactions that govern cellular responses and functions, particularly within neuroscience contexts.
Pharmacological Probe Development
As a well-characterised small molecule, 5-(4-Phenoxybutoxy)psoralen can be used as a probe in the development of new pharmacological agents targeting ion channel activity.
| Molecular weight | 350.36 |
|---|---|
| Empirical formula | C21H18O5 |
| Assay | ≥98% (HPLC) |
| Form | solid |
| Colour | white |
| Solubility | DMSO: soluble9 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 42/43 |
| Safety statements (S) | 22-36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | protect from light |
|---|
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 5-(4-Phenoxybutoxy)psoralen used for?
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5-(4-Phenoxybutoxy)psoralen is used in research involving bioactive small molecules, cell biology, cell signalling, neuroscience, and the study of ion channels, including voltage-gated and monovalent potassium channels.
What is the CAS number and formula for 5-(4-Phenoxybutoxy)psoralen?
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The CAS number is 870653-45-5 and the empirical formula is C21H18O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-(4-Phenoxybutoxy)psoralen with an assay of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 5-(4-Phenoxybutoxy)psoralen be handled safely?
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Due to potential respiratory sensitisation (H334), handle with appropriate personal protective equipment including a dust mask (type N95), eyeshields, faceshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Risk of sensitisation by inhalation and skin contact (R42/43).
How is 5-(4-Phenoxybutoxy)psoralen packed, shipped, and exported?
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This compound is typically supplied as a white solid and stored at 2-8°C, protected from light. We are experienced global suppliers and exporters of fine chemicals, adhering to all relevant shipping regulations.
How can I request a sample or quote for 5-(4-Phenoxybutoxy)psoralen?
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Please contact our sales department via the website or email to request a quotation or a sample of 5-(4-Phenoxybutoxy)psoralen.
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