Risperidone
Also known as: 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, R-64766, Risperdal, Belivon, Risperidal, Spiron, Risperdal OD, R 64 766
Risperidone (CAS 106266-06-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C23H27FN4O2 and a molecular weight of 410.484 g/mol. Key properties include a melting point of 170°C, a boiling point of 572.4±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 300.0±32.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 106266-06-2
- Jingsj CID
- J-44389-0
- Molecular Formula
- C23H27FN4O2
- Molecular Weight
- 410.484 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 170°C |
|---|---|
| Boiling Point | 572.4±60.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 300.0±32.9 °C |
| Exact Mass | 410.211792 |
| PSA | 64.16000 |
| LogP | 2.88 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.677 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H370 — Causes damage to organs
Activity & Biological Data
| Target | 5-HT2A Receptor:4.8 nM (Ki) dopamine D2 receptor:5.9 nM (Ki) P-Glycoprotein |
|---|---|
| Additional Information | [1]. Nyberg S, et al. 5-HT2 and D2 dopamine receptor occupancy in the living human brain. A PET study with risperidone. Psychopharmacology (Berl). 1993;110(3):265-72. [2]. Zhu HJ, et al. Risperidone and paliperidone inhibit p-glycoprotein activity in vitro. Neuropsychopharmacology. 2007 Apr;32(4):757-64. [3]. Chen ML, et al. Risperidone modulates the cytokine and chemokine release of dendritic cells and induces TNF-α-directed cell apoptosis in neutrophils. Int Immunopharmacol. 2012 Jan;12(1):197-204. [4]. Bardgett ME, et al. Adult rats treated with risperidone during development are hyperactive. Exp Clin Psychopharmacol. 2013 Jun;21(3):259-67. |
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 Risperidone?
The CAS number of Risperidone is 106266-06-2.
What are the molecular formula and molecular weight of Risperidone?
Risperidone has molecular formula C23H27FN4O2 and molecular weight 410.484 g/mol.
Is Risperidone hazardous?
Risperidone has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.
What are the upstream and downstream products of Risperidone?
For Risperidone, Upstream Products: 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one, 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole, 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride; Downstream Products: 9-Keto Risperidone, Paliperidone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Risperidone (CAS 106266-06-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44389-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.