Donitriptan monohydrochloride
Donitriptan monohydrochloride (CAS 170911-68-9) is a chemical compound with the formula C23H25N5O2 · HCl and a molecular weight of 439.94. This white to off-white substance is primarily utilised in biochemical research, specifically within cell biology and neuroscience. It serves as a valuable tool for investigating cell signalling pathways and neurotransmission, particularly concerning dopaminergic systems and GPCR modulation.

Neuroscience Research
Donitriptan monohydrochloride is employed in studies of neurotransmission and neuroreceptor function. Its role as a dopaminergic agonist makes it useful for probing neuronal pathways involved in various neurological processes.
Cell Signaling Investigations
This compound aids in the exploration of cell signalling cascades, particularly those involving G-protein coupled receptors (GPCRs). Researchers can utilise it to understand downstream effects and receptor-ligand interactions.
Biochemical Assays
With an assay of ≥98% (HPLC), Donitriptan monohydrochloride is suitable for use in precise biochemical assays requiring high purity. Its solubility in water (H2O: >20 mg/mL) facilitates its use in aqueous experimental systems.
| Molecular weight | 439.94 |
|---|---|
| Empirical formula | C23H25N5O2 · HCl |
| Assay | ≥98% (HPLC) |
| Colour | white to off-white |
| Solubility | H2O: >20 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 20/21-25-36/37/38 |
| Safety statements (S) | 26-36/37-45 |
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 Donitriptan monohydrochloride used for?
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Donitriptan monohydrochloride is used in research settings for neuroscience, cell biology, and cell signalling studies, particularly concerning dopaminergic systems and GPCR modulation.
What are the CAS number and formula for Donitriptan monohydrochloride?
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The CAS number is 170911-68-9 and the empirical formula is C23H25N5O2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Donitriptan monohydrochloride with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Donitriptan monohydrochloride be handled safely?
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Donitriptan monohydrochloride is classified as Danger and carries hazard statements H301 (Toxic if swallowed), H312 (Toxic in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Toxic if inhaled), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment in a well-ventilated area. Refer to the Safety Data Sheet for full handling instructions.
How is Donitriptan monohydrochloride shipped and exported?
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Donitriptan monohydrochloride is shipped according to UN 3439, Class 6.1, Packing Group III regulations. Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals.
How can I request a sample or quote for Donitriptan monohydrochloride?
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To request a sample or obtain a quotation, please contact our sales team through the website or via direct inquiry, providing your contact details and the quantity required.
What are the storage conditions for Donitriptan monohydrochloride?
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Donitriptan monohydrochloride should be stored at 2-8°C.
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