3,3′-Diheptyloxacarbocyanine iodide
3,3′-Diheptyloxacarbocyanine iodide (CAS 53213-83-5) is a fluorescent probe with the molecular formula C31H41IN2O2 and a molecular weight of 600.57. This lipophilic carbocyanine dye exhibits fluorescence properties with excitation at 484 nm and emission at 504 nm in methanol. It is widely utilized in cell biology research for visualizing and analysing cellular structures and processes, particularly within membranes.
- IUPAC
- DiOC7(3)
- Synonyms
- DiOC7(3)3,3'-Diheptyl-5,5'-dimethyl-9-phenyl-4,9-diazatricyclo[5.3.1.1(2,6)]dodeca-1(11),2,4,6,8,10,12-heptaene diiodide3,3′-Diheptyl oxacarbocyanine iodide

Fluorescent Staining and Imaging
This carbocyanine iodide acts as a lipophilic probe, allowing for the fluorescent staining of cell membranes. Its spectral properties make it suitable for various microscopy techniques in cell biology research.
Membrane Potential Studies
As a lipophilic and membrane probe, it can be employed in studies investigating the electrical potential across cell membranes. Its fluorescence characteristics can change in response to alterations in membrane potential.
Flow Cytometry Applications
The probe is indicated for use in flow cytometry, contributing to the analysis of cell populations based on membrane properties. Its fluorescence can be detected for quantitative cellular analysis.
Biochemical and Cellular Assays
Used as a reagent in various biochemical and cellular assays, this compound aids in the detection and quantification of cellular events. It is also noted for potential use in luminescent detection methods.
| Molecular weight | 600.57 |
|---|---|
| Empirical formula | C31H41IN2O2 |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H360May damage fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
- P308IF exposed or concerned
| Protective equipment | Eyeshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 61-36/37/38 |
| Safety statements (S) | 53-22-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 484 nm; λem 504 nm in methanol |
|---|
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 3,3′-Diheptyloxacarbocyanine iodide used for?
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3,3′-Diheptyloxacarbocyanine iodide is a fluorescent probe used primarily in cell biology for membrane staining, imaging, and studies of membrane potential, as well as in flow cytometry and other biochemical assays.
What are the CAS number and formula for 3,3′-Diheptyloxacarbocyanine iodide?
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The CAS number for 3,3′-Diheptyloxacarbocyanine iodide is 53213-83-5. Its empirical formula (Hill notation) is C31H41IN2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a research grade chemical. We do not represent it as USP, BP, EP, or for human/veterinary use. Please refer to the Certificate of Analysis for specific purity details.
What are the primary safety hazards associated with this chemical?
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This compound is classified as Danger. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). It is also suspected of damaging fertility or the unborn child (H360). Appropriate personal protective equipment, including eyeshields, gloves, and a P2 respirator, is essential.
How is 3,3′-Diheptyloxacarbocyanine iodide packed and exported?
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This chemical is carefully packed in compliance with international shipping regulations for hazardous materials. Tech Serve Solutions is an experienced global exporter of fine chemicals.
How can I request a sample or a quote for 3,3′-Diheptyloxacarbocyanine iodide?
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To request a sample or a quotation, please contact our sales team directly through our website or by phone, providing the product name and CAS number.
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