Dapoxetine hydrochloride
Dapoxetine hydrochloride (CAS: 129938-20-1, Formula: C21H23NO · HCl) is a selective serotonin reuptake inhibitor (SSRI). It is characterised as a white powder with a molecular weight of 341.87 g/mol. This compound is primarily utilised in scientific research, particularly within the fields of cell biology, cell signalling, and neuroscience. Its specific chemical properties make it a valuable tool for researchers investigating related biological pathways.
- IUPAC
- (S)-N,N-dimethyl-1-phenyl-3-(1-naphthalenyloxy)propanamine hydrochloride,S-(+)-N,N-dimethyl-a-[2-(naphthalenyloxy)ethyl] benzenemethanamine hydrochloride, LY-210448 hydrochloride
- Synonyms
- (S)-N,N-dimethyl-1-phenyl-3-(1-naphthalenyloxy)propanamine hydrochlorideS-(+)-N,N-dimethyl-a-[2-(naphthalenyloxy)ethyl] benzenemethanamine hydrochlorideLY-210448 hydrochloride

Neuroscience Research
Dapoxetine hydrochloride serves as a research chemical for investigating serotonin pathways and their role in neurological functions and disorders. Its mechanism as an SSRI makes it relevant for studying neurotransmission.
Cell Signaling Studies
This compound is employed in cell biology to explore intracellular signalling cascades influenced by serotonin. Researchers use it to understand how these pathways are modulated.
Drug Discovery and Development
As a known therapeutic agent, dapoxetine hydrochloride is used in preclinical research to understand its pharmacological profile and to develop potential new applications or formulations.
| Molecular weight | 341.87 |
|---|---|
| Empirical formula | C21H23NO · HCl |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white |
| Solubility | DMSO: ≥20 mg/mL |
| Optical activity | [α]/D +125 to +135°, c = 1 in methanol |
| Storage temperature | room temp |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P305IF IN EYES
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36-50/53 |
| Safety statements (S) | 36-60-61 |
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 Dapoxetine hydrochloride used for?
+
Dapoxetine hydrochloride is used in scientific research, primarily in cell biology, cell signalling, and neuroscience. It is a selective serotonin reuptake inhibitor (SSRI).
What is the CAS number and molecular formula for Dapoxetine hydrochloride?
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The CAS number for Dapoxetine hydrochloride is 129938-20-1, and its molecular formula is C21H23NO · HCl.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Dapoxetine hydrochloride with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations for handling Dapoxetine hydrochloride?
+
Dapoxetine hydrochloride is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed), H319 (Causes serious eye irritation), and H413 (May cause long lasting harmful effects to aquatic life). Handle with appropriate personal protective equipment and follow safety precautions.
How is Dapoxetine hydrochloride packed, shipped, and exported?
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Dapoxetine hydrochloride is supplied as a white powder. It is packaged and shipped according to standard chemical supply chain practices and international export regulations, including UN 3077 for transport.
How can I request a sample or quote for Dapoxetine hydrochloride?
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To request a sample or obtain a quote for Dapoxetine hydrochloride, please contact the TSS sales team through our website or by phone.
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