Quisqualic acid
Quisqualic acid (CAS 52809-07-1, C5H7N3O5) is a chemical compound with a molecular weight of 189.13 g/mol. It is known for its activity as an agonist at AMPA and kainate receptors, making it a valuable tool in neuroscience research for studying excitatory amino acid neurotransmission. This white to off-white powder is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- β-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine,3-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine

Neuroscience Research Tool
Quisqualic acid serves as a critical pharmacological tool for investigating the function of ionotropic glutamate receptors, specifically AMPA and kainate subtypes, within the central nervous system. Its ability to activate these receptors aids in understanding neuronal excitation and synaptic plasticity.
Studying Excitatory Neurotransmission
This compound is utilized to explore the mechanisms of excitatory neurotransmission, a fundamental process in brain function. Researchers employ quisqualic acid to probe the role of glutamate in various neurological pathways and conditions.
Cellular Signaling Investigations
As a bioactive small molecule, quisqualic acid helps researchers elucidate complex cellular signaling cascades involved in neuronal communication. It can be used to modulate cellular responses and study downstream effects in neuroscience and cell biology.
| Molecular weight | 189.13 |
|---|---|
| Empirical formula | C5H7N3O5 |
| Form | powder |
| Colour | white to off-white |
| Solubility | ethanol: H2O: soluble0.5 mg/mL0.1 M HCl: soluble1.4 mg/mL1 M NH4OH: soluble20 mg/mLorganic solvents: insoluble |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 26-36 |
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 Quisqualic acid used for?
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Quisqualic acid is primarily used as a research tool in neuroscience to study AMPA and kainate receptors, investigate excitatory neurotransmission, and explore cellular signaling pathways.
What are the CAS number and molecular formula for Quisqualic acid?
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The CAS number for Quisqualic acid is 52809-07-1, and its molecular formula is C5H7N3O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Quisqualic acid as a research-grade chemical. The exact purity is available on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Quisqualic acid be handled and stored?
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Quisqualic acid is classified as a Warning substance with hazards including H302, H312, and H332 (Harmful if swallowed, in contact with skin, or if inhaled). Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Store at 2-8°C.
How is Quisqualic acid packed and shipped?
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Quisqualic acid is typically supplied as a powder. Packaging and shipping adhere to regulatory standards for chemical export. Please contact us for specific details regarding international shipments.
How can I request a sample or quote for Quisqualic acid?
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To request a sample or a quote for Quisqualic acid, please use the contact form on our website or call our sales department, providing your specific requirements and shipping details.
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