Quetiapine hemifumarate salt
Quetiapine hemifumarate salt (CAS: 111974-72-2) is a chemical compound with the formula C21H25N3O2S · 0.5C4H4O4 and a molecular weight of 441.54 g/mol. Supplied as a white to off-white powder, this substance is primarily utilized in scientific research and as a biochemical reagent. Its application spectrum encompasses cell biology, neuroscience, and related fields, serving as a tool for investigating cellular signaling pathways and neurotransmission.
- IUPAC
- 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate,Quetiapine fumarate
- Synonyms
- 2-[2-(4-Dibenzo[b,f][1,4]thiazepin-11-yl-1-piperazinyl)ethoxy]ethanol hemifumarate,Quetiapine fumarate

Neuroscience Research
Quetiapine hemifumarate salt serves as a valuable tool in neuroscience research. It is used to study neurotransmitter systems, particularly dopaminergic pathways, and their role in neurological functions and disorders.
Cell Signaling Studies
This compound aids in the investigation of cellular signaling mechanisms. Researchers utilize it to explore the intricate pathways involved in cell communication, especially within the central nervous system.
GPCR Modulation Research
As a modulator of GPCR proteins, Quetiapine hemifumarate salt is employed in studies focused on G protein-coupled receptor activity. This includes exploring their function in various biological processes.
Drug Candidate Research
The compound is relevant in the study of approved therapeutics and drug candidates. It can be used as a reference compound or investigative tool in preclinical research settings.
| Molecular weight | 441.54 |
|---|---|
| Empirical formula | C21H25N3O2S · 0.5C4H4O4 |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | DMSO: >10 mg/mL |
| Storage temperature | 2-8°C |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50/53 |
| Safety statements (S) | 60-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | desiccated |
|---|
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 Quetiapine hemifumarate salt used for?
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Quetiapine hemifumarate salt is used in scientific research, particularly in fields such as neuroscience, cell biology, and studies involving GPCR modulation and drug candidates. It is a biochemical reagent for investigating cellular signaling and neurotransmission.
What are the CAS number and molecular formula for Quetiapine hemifumarate salt?
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The CAS number for Quetiapine hemifumarate salt is 111974-72-2, and its molecular formula is C21H25N3O2S · 0.5C4H4O4.
What grade and purity does Tech Serve Solutions supply for Quetiapine hemifumarate salt?
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Tech Serve Solutions supplies Quetiapine hemifumarate salt with a purity of ≥98% (HPLC). This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling recommendations for Quetiapine hemifumarate salt?
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Quetiapine hemifumarate salt is classified with GHS07 and GHS09 symbols and has a 'Warning' signal word. It carries hazard statements H302 (Harmful if swallowed) and H400 (Very toxic to aquatic life). Handle with appropriate personal protective equipment, avoid release into the environment, and consult the Safety Data Sheet for detailed guidance.
How is Quetiapine hemifumarate salt shipped and exported?
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Quetiapine hemifumarate salt is classified as UN 3077, Class 9, Packing Group III, for transportation. Tech Serve Solutions exports this chemical globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Quetiapine hemifumarate salt?
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To request a sample or obtain a quote for Quetiapine hemifumarate salt, please contact our sales department through the provided channels on the Tech Serve Solutions website.
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