Quisqualic acid
Also known as: (+)-Quisqualic Acid, L-Quisqualic acid, (S)-α-Amino-3,5-dioxo-1,2,4-oxadiazolidine-2-propanoic acid, 3-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine, β-(3,5-Dioxo-1,2,4-oxadiazolidin-2-yl)-L-alanine
Quisqualic acid (CAS 52809-07-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7N3O5 and a molecular weight of 189.126 g/mol. Key properties include a melting point of 185-187ºC dec., a boiling point of 405.9±55.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 199.3±31.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52809-07-1
- Jingsj CID
- J-46023-1
- Molecular Formula
- C5H7N3O5
- Molecular Weight
- 189.126 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185-187ºC dec. |
|---|---|
| Boiling Point | 405.9±55.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | 199.3±31.5 °C |
| Exact Mass | 189.038574 |
| PSA | 131.32000 |
| LogP | -1.85 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.726 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
Activity & Biological Data
| Target | mGluR1R:45 nM (EC50) mGluR1R:10 nM (Ki) mGluR2R:108 μM (IC50) mGluR2R:113 μM (Ki) mGluR4R:593 μM (IC50) mGluR4R:112 μM (Ki) |
|---|---|
| Additional Information | [1]. Hugues-Olivier Bertrand, et al. Common and Selective Molecular Determinants Involved in Metabotopic Glutamate Receptor Agonist Activity. J Med Chem. 2002 Jul 18;45(15):3171-83. [2]. H Bräuner-Osborne, et al. Ligands for Glutamate Receptors: Design and Therapeutic Prospects. J Med Chem. 2000 Jul 13;43(14):2609-45. |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Quisqualic acid?
The CAS number of Quisqualic acid is 52809-07-1.
What are the molecular formula and molecular weight of Quisqualic acid?
Quisqualic acid has molecular formula C5H7N3O5 and molecular weight 189.126 g/mol.
Is Quisqualic acid hazardous?
Quisqualic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Quisqualic acid?
For Quisqualic acid, Upstream Products: O-Acetyl-L-serine, 1,2,4-oxadiazolidine-3,5-dione, L-Cysteine; Downstream Products: Albizziin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Quisqualic acid (CAS 52809-07-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46023-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.