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Purity: ≥98%
Ropinirole HCl (formerly SKF 101468; SKF-101468A; SKF 101468A; Requip), the hydrochloride salt of ropinirole, is a potent and selective dopamine D2 receptors agonist ( Ki = 29 nM) of the non-ergoline class of medications used for PD-Parkinson's disease, RLS/restless legs syndrome and extrapyramidal symptoms. It can also lessen the negative effects of selective serotonin reuptake inhibitors (SSRIs) and antipsychotics, such as Parkinsonism syndrome, erectile dysfunction, and sexual dysfunction. In the Fe2+-H2O2 reaction system, ropinirole scavenges free radicals and inhibits lipid peroxidation.
| Targets |
D2 Receptor ( Ki = 0.7 nM ); hD2 Receptor ( pEC50 = 2.8 nM ); hD3 Receptor ( pEC50 = 2.8 nM ); hD4.4 Receptor ( pEC50 = 2.8 nM )
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| Animal Protocol |
Male Sprague–Dawley rats weighing 220-350 g
0.1, 1 or 10 mg/kg i.p. |
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| References |
| Molecular Formula |
C16H25CLN2O
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| Molecular Weight |
296.84
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| Exact Mass |
296.17
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| Elemental Analysis |
C, 64.74; H, 8.49; Cl, 11.94; N, 9.44; O, 5.39
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| CAS # |
91374-20-8
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| Related CAS # |
Ropinirole; 91374-21-9; Ropinirole-d7 hydrochloride; 1261396-31-9; Ropinirole-d3 hydrochloride; 1329611-00-8
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| Appearance |
Light yellow solid powder
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| SMILES |
CCCN(CCC)CCC1=C2CC(=O)NC2=CC=C1.Cl
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| InChi Key |
XDXHAEQXIBQUEZ-UHFFFAOYSA-N
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| InChi Code |
InChI=1S/C16H24N2O.ClH/c1-3-9-18(10-4-2)11-8-13-6-5-7-15-14(13)12-16(19)17-15;/h5-7H,3-4,8-12H2,1-2H3,(H,17,19);1H
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| Chemical Name |
4-[2-(dipropylamino)ethyl]-1,3-dihydroindol-2-one;hydrochloride
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| Synonyms |
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: Please store this product in a sealed and protected environment, avoid exposure to moisture. |
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| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 1.67 mg/mL (5.63 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 16.7 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 1.67 mg/mL (5.63 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 16.7 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: ≥ 1.67 mg/mL (5.63 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. Solubility in Formulation 4: 100 mg/mL (336.88 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.3688 mL | 16.8441 mL | 33.6882 mL | |
| 5 mM | 0.6738 mL | 3.3688 mL | 6.7376 mL | |
| 10 mM | 0.3369 mL | 1.6844 mL | 3.3688 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
| NCT Number | Recruitment | interventions | Conditions | Sponsor/Collaborators | Start Date | Phases |
| NCT03176966 | Completed | Drug: Vitamin E Drug: Ropinirole |
Muscle Cramp Cirrhosis |
Vanderbilt University Medical Center |
September 2, 2016 | Phase 4 |
| NCT00823836 | Completed | Drug: ropinirole PR/XR Drug: ropinirole IR |
Parkinson Disease | GlaxoSmithKline | March 2009 | Phase 3 |
| NCT01627834 | Completed | Drug: Ropinirole | Healthy | Dr. Reddy's Laboratories Limited |
October 2009 | Phase 1 |
| NCT01627847 | Completed | Drug: Ropinirole | Healthy | Dr. Reddy's Laboratories Limited | October 2009 | Phase 1 |
| NCT03038308 | Completed | Drug: Ropinirole | Hyperprolactinemia Prolactinoma |
Columbia University | September 16, 2016 | Phase 1 Phase 2 |
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