Ro 51

Potent P2X3, P2X2/3 antagonist CAS# 1050670-85-3

Ro 51

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Ro 51

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Chemical Properties of Ro 51

Cas No. 1050670-85-3 SDF Download SDF
PubChem ID 24883277 Appearance Powder
Formula C17H23IN4O4 M.Wt 474.29
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble to 100 mM in DMSO and to 100 mM in ethanol
Chemical Name 2-[[4-amino-5-(5-iodo-4-methoxy-2-propan-2-ylphenoxy)pyrimidin-2-yl]amino]propane-1,3-diol
SMILES CC(C)C1=CC(=C(C=C1OC2=CN=C(N=C2N)NC(CO)CO)I)OC
Standard InChIKey PAYROHWFGZADBR-UHFFFAOYSA-N
Standard InChI InChI=1S/C17H23IN4O4/c1-9(2)11-4-14(25-3)12(18)5-13(11)26-15-6-20-17(22-16(15)19)21-10(7-23)8-24/h4-6,9-10,23-24H,7-8H2,1-3H3,(H3,19,20,21,22)
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of Ro 51

DescriptionPotent, dual P2X3 and P2X2/3 antagonist (IC50 values are 2 and 5 nM for rP2X3 and hP2X2/3 respectively). Selective for P2X3 and P2X2/3 over other P2X receptors (IC50 values are > 10 μM for P2X1, P2X2, P2X4, P2X5, and P2X7). Cell permeable.

Ro 51 Dilution Calculator

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Ro 51 Molarity Calculator

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Preparing Stock Solutions of Ro 51

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 2.1084 mL 10.5421 mL 21.0841 mL 42.1683 mL 52.7104 mL
5 mM 0.4217 mL 2.1084 mL 4.2168 mL 8.4337 mL 10.5421 mL
10 mM 0.2108 mL 1.0542 mL 2.1084 mL 4.2168 mL 5.271 mL
50 mM 0.0422 mL 0.2108 mL 0.4217 mL 0.8434 mL 1.0542 mL
100 mM 0.0211 mL 0.1054 mL 0.2108 mL 0.4217 mL 0.5271 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Ro 51

Identification and SAR of novel diaminopyrimidines. Part 2: The discovery of RO-51, a potent and selective, dual P2X(3)/P2X(2/3) antagonist for the treatment of pain.[Pubmed:19231178]

Bioorg Med Chem Lett. 2009 Mar 15;19(6):1632-5.

The purinoceptor subtypes P2X(3) and P2X(2/3) have been shown to play a pivotal role in models of various pain conditions. Identification of a potent and selective dual P2X(3)/P2X(2/3) diaminopyrimidine antagonist RO-4 prompted subsequent optimization of the template. This paper describes the SAR and optimization of the diaminopyrimidine ring and particularly the substitution of the 2-amino group. The discovery of the highly potent and drug-like dual P2X(3)/P2X(2/3) antagonist RO-51 is presented.

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