Hydroxystilbamidine bis(methanesulfonate)
Hydroxystilbamidine bis(methanesulfonate) (CAS 223769-64-0, C18H24N4O7S2, MW 472.54) is a fluorescent retrograde tracer. It is primarily utilised in microanatomical research for neural mapping due to its ability to be retrogradely transported by axons. This compound is supplied by Tech Serve Solutions with an assay of ≥96.0% (HPLC), suitable for fluorescence applications. Stored at 2-8°C, it offers reliable performance in neurobiological studies.
- IUPAC
- 2-Hydroxystilbene-4,4′-dicarboxamidine bis(methanesulfonate),Fluoro-Gold™

Neural Mapping
Hydroxystilbamidine bis(methanesulfonate) serves as a fluorescent retrograde tracer, enabling researchers to map neural pathways. It facilitates the visualisation of neuronal connections by following the direction of axonal transport.
Axonal Transport Studies
This compound is instrumental in studying the mechanisms and directionality of axonal transport in neuroscience. Its fluorescent properties allow for precise tracking within neural tissues.
Microanatomical Research
Utilised in detailed studies of brain architecture and connectivity, Hydroxystilbamidine bis(methanesulfonate) aids in understanding the complex microanatomy of the nervous system.
| Molecular weight | 472.54 |
|---|---|
| Empirical formula | C18H24N4O7S2 |
| Assay | ≥96.0% (HPLC) |
| Storage temperature | 2-8°C |
| Application | Hydroxystilbamidine bis(methanesulfonate) (Fluoro-Gold, FG), a fluorescent retrograde tracer (axonal transport), is used for neural mapping in microanatomical research. |
| Suitability | suitable for fluorescence |

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
| 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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Fluorescence | λex 318 nm; λem 570 nm in TBE Buffer |
|---|
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 Hydroxystilbamidine bis(methanesulfonate) used for?
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Hydroxystilbamidine bis(methanesulfonate) is used as a fluorescent retrograde tracer for neural mapping in microanatomical research.
What is the CAS number and formula for Hydroxystilbamidine bis(methanesulfonate)?
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The CAS number is 223769-64-0 and the empirical formula is C18H24N4O7S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hydroxystilbamidine bis(methanesulfonate) with an assay of ≥96.0% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should Hydroxystilbamidine bis(methanesulfonate) be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust, and ensure adequate ventilation. This compound is a skin, eye, and respiratory irritant.
Is Hydroxystilbamidine bis(methanesulfonate) a controlled substance?
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The provided data does not indicate that Hydroxystilbamidine bis(methanesulfonate) is a controlled substance.
How is Hydroxystilbamidine bis(methanesulfonate) packed and shipped?
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This product is typically stored at 2-8°C. Details on specific packing and shipping methods for export are available upon request.
How can I request a quote or sample?
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Please contact our sales team or use the website's enquiry form to request a quote or a sample of Hydroxystilbamidine bis(methanesulfonate).
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