TNP-ATP triethylammonium salt

Potent, selective P2X antagonist CAS# 61368-63-6

TNP-ATP triethylammonium salt

Catalog No. BCC7373----Order now to get a substantial discount!

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Chemical structure

TNP-ATP triethylammonium salt

3D structure

Chemical Properties of TNP-ATP triethylammonium salt

Cas No. 61368-63-6 SDF Download SDF
PubChem ID 90474108 Appearance Powder
Formula C40H77N12O19P3 M.Wt 1123.04
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in water (supplied pre-dissolved at a concentration of 10mM)
Chemical Name 2',3'-O-(2,4,6-Trinitrophenyl)adenosine-5'-triphosphate tetra(triethylammonium) salt
SMILES CCN(CC)CC.CCN(CC)CC.CCN(CC)CC.CCN(CC)CC.C1=C(C=C(C2(C1[N+](=O)[O-])OC3C(OC(C3O2)N4C=NC5=C4N=CN=C5N)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)[N+](=O)[O-])[N+](=O)[O-]
Standard InChIKey SWLXZTUOMCLGJI-UHFFFAOYSA-M
Standard InChI InChI=1S/C16H13N8O19P3/c17-13-10-14(19-4-18-13)21(5-20-10)15-12-11(7(39-15)3-38-45(34,35)43-46(36,37)42-44(31,32)33)40-16(41-12)8(23(27)28)1-6(22(25)26)2-9(16)24(29)30/h1-2,4-5,8,10,17H,3H2,(H,34,35)(H,36,37)(H2,31,32,33)/p-1
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 TNP-ATP triethylammonium salt

DescriptionHigh affinity, selective P2X receptor antagonist. Inhibits ATP-induced currents in cells expressing P2X1, P2X3 and P2X2/3 receptors with IC50 values of 6, 0.9, and 7 nM respectively. Displays 1000-fold selectivity over P2X2, P2X4 and P2X7.

TNP-ATP triethylammonium salt Dilution Calculator

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TNP-ATP triethylammonium salt Molarity Calculator

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Preparing Stock Solutions of TNP-ATP triethylammonium salt

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 0.8904 mL 4.4522 mL 8.9044 mL 17.8088 mL 22.261 mL
5 mM 0.1781 mL 0.8904 mL 1.7809 mL 3.5618 mL 4.4522 mL
10 mM 0.089 mL 0.4452 mL 0.8904 mL 1.7809 mL 2.2261 mL
50 mM 0.0178 mL 0.089 mL 0.1781 mL 0.3562 mL 0.4452 mL
100 mM 0.0089 mL 0.0445 mL 0.089 mL 0.1781 mL 0.2226 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 TNP-ATP triethylammonium salt

Trinitrophenyl-substituted nucleotides are potent antagonists selective for P2X1, P2X3, and heteromeric P2X2/3 receptors.[Pubmed:9614197]

Mol Pharmacol. 1998 Jun;53(6):969-73.

There are currently seven P2X receptor subunits (P2X1-7) defined by molecular cloning. The functional identification of these receptors has relied primarily on the potency of alpha,beta-methylene-ATP relative to that of ATP and on the kinetics of receptor desensitization. In the present experiments we found that the 2', 3'-O-(2,4,6-trinitrophenyl)-substituted analogs of ATP are selective and potent antagonists at some but not all P2X receptors. The trinitrophenyl analogs of ATP, ADP, AMP, and GTP produced a reversible inhibition of ATP-evoked currents in human embryonic kidney 293 cells expressing P2X1 receptors, P2X3 receptors, or both P2X2 and P2X3 (heteromeric) receptors; IC50 values were close to 1 nM. These compounds were at least 1000-fold less effective in blocking currents in cells expressing P2X2, P2X4, or P2X7 receptors (P2X5 and P2X6 not tested). GTP, 2,4,6-trinitrophenol, and the 2',3'-trinitrophenyl analog of adenosine (0.1-10 microM) had no effect. Thus, we have identified a structural motif that confers antagonist action at P2X receptors that contain P2X1 or P2X3 subunits (the alpha,beta-methylene-ATP-sensitive subclass).

2',3'-O-(2,4,6- trinitrophenyl) adenosine 5'-triphosphate (TNP-ATP)--a nanomolar affinity antagonist at rat mesenteric artery P2X receptor ion channels.[Pubmed:9723959]

Br J Pharmacol. 1998 Aug;124(7):1463-6.

1. P2X receptor activation by alpha,beta-meATP evoked inward currents in acutely dissociated rat mesenteric artery smooth muscle cells and contractions of whole artery rings. 2. The selective P2X1 and P2X3 receptor antagonist TNP-ATP inhibited P2X receptor mediated inward currents in response to 3 microM alpha,beta-meATP (an approximately EC90 concentration) with an IC50 of approximately 2 nM. This provides further evidence that the P2X receptor underlying membrane depolarisation associated with P2X receptor activation can be accounted for by the expression of P2X1 receptors. 3. TNP-ATP inhibited alpha,beta-meATP induced contractions with an IC50 of approximately 30 microM and had non-specific effects on smooth muscle contraction. 4. The reduced potency of TNP-ATP in whole tissue experiments probably reflects the breakdown of TNP-ATP by nucleotidases. Thus, TNP-ATP is of limited use in whole tissue experiments as a P2X receptor antagonist.

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