Ropinirole
Also known as: 4-(2-Dipropylaminoethyl)-1,3-dihydroindol-2-one, 4-[2-(Dipropylamino)ethyl]-1,3-dihydro-2H-indol-2-one, SKF-101468, SKF-101468A, ReQuip, Ropinirolum, UNII-030PYR8953, MFCD00864147
Ropinirole (CAS 91374-21-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H17D7N2O and a molecular weight of 260.375 g/mol. Key properties include a melting point of 243-250°C, a boiling point of 410.5±45.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 202.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91374-21-9
- Jingsj CID
- J-47521-8
- Molecular Formula
- C16H17D7N2O
- Molecular Weight
- 260.375 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 243-250°C |
|---|---|
| Boiling Point | 410.5±45.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 202.0±28.7 °C |
| Exact Mass | 260.188873 |
| PSA | 32.34000 |
| LogP | 3.19 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.539 |
Activity & Biological Data
| Target | D2 Receptor:29 nM (Ki) hD2 Receptor:7.4 (pEC50) hD3 Receptor:8.4 (pEC50) hD4.4 Receptor:6.8 (pEC50) |
|---|---|
| Additional Information | [1]. Eden, R.J., et al., Preclinical pharmacology of ropinirole (SK&F 101468-A) a novel dopamine D2 agonist. Pharmacol Biochem Behav, 1991. 38(1): p. 147-54. [2]. Mavrikaki M, et al. Ropinirole regulates emotionality and neuronal activity markers in the limbic forebrain. Int J Neuropsychopharmacol. 2014 Dec;17(12):1981-93. |
Frequently Asked Questions
What is the CAS number of Ropinirole?
The CAS number of Ropinirole is 91374-21-9.
What are the molecular formula and molecular weight of Ropinirole?
Ropinirole has molecular formula C16H17D7N2O and molecular weight 260.375 g/mol.
What are the upstream and downstream products of Ropinirole?
For Ropinirole, Upstream Products: 2-[2-(Dipropylamino)ethyl]-6-nitrophenylacetic acid hydrochloride, Benzeneacetic acid, 2-[2-(dipropylamino)ethyl]-6-nitro-, 2-Methyl-3-nitrobenzoic acid; Downstream Products: Ropinirole hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ropinirole (CAS 91374-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47521-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.