Date published: 2025-12-18

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U-46619 (CAS 56985-40-1)

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Alternate Names:
U-46619 is also known as Thromboxane A2 agonist.
Application:
U-46619 is a stable thromboxane A2 mimetic and analog of the H2 endoperoxide prostaglandin, used as a vasoconstrictor and thromboxane receptor agonist.
CAS Number:
56985-40-1
Purity:
≥98%
Molecular Weight:
350.49
Molecular Formula:
C21H34O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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U-46619, a prostaglandin H2 analogue, may act to be a potent agonist of thromboxane A2 and also can cause constriction of coronary arteries. U-46619 has been reported to inhibit platelet-rich plasma aggregation. Mechanistic studies suggest that U-46619 binds to the putative human platelet TXA2R/PGH2 receptor. Once bound, U-46619 activates TXA2Rs and inhibits the release of hippocampal noradrenaline. U-46619 exhibits properties similar to thromboxane A2, causing platelet shape change and aggregation, and contraction of vascular smooth muscle. U-46619 is also known as 9,11-dideoxy-9α,11α-methanoepoxy-prosta-5Z,13E-dien-1-oic acid, 9,11-dideoxy-9α,11α-methanoepoxy Prostaglandin F2α, and 9,11-dideoxy-9α,11α-methanoepoxy PGF2α.


U-46619 (CAS 56985-40-1) References

  1. Prostanoids and related compounds. VII. Synthesis and inhibitory activity of 1-isoindolinone derivatives possessing inhibitory activity against thromboxane A2 analog (U-46619)-induced vasoconstriction.  |  Kato, Y., et al. 1999. Chem Pharm Bull (Tokyo). 47: 529-35. PMID: 10319431
  2. U-46619, a selective thromboxane A2 mimetic, inhibits the release of endogenous noradrenaline from the rat hippocampus in vitro.  |  Nishihara, M., et al. 2000. Jpn J Pharmacol. 82: 226-31. PMID: 10887953
  3. Binding of a thromboxane A2/prostaglandin H2 agonist [3H]U46619 to washed human platelets.  |  Liel, N., et al. 1987. Prostaglandins. 33: 789-97. PMID: 2959986
  4. Close-arterial administration of the thromboxane mimetic U-46619 induces damage to the rat gastric mucosa.  |  Esplugues, JV. and Whittle, BJ. 1988. Prostaglandins. 35: 137-48. PMID: 2966419
  5. Gastric vasoconstrictor actions of leukotriene C4, PGF2 alpha, and thromboxane mimetic U-46619 on rat submucosal microcirculation in vivo.  |  Whittle, BJ., et al. 1985. Am J Physiol. 248: G580-6. PMID: 2986466
  6. Responses of cerebral arterioles to adenosine 5'-diphosphate, serotonin, and the thromboxane analogue U-46619 during chronic hypertension.  |  Mayhan, WG., et al. 1988. Hypertension. 12: 556-61. PMID: 3203960
  7. Stimulation of glycogenolysis and vasoconstriction in the perfused rat liver by the thromboxane A2 analogue U-46619.  |  Fisher, RA., et al. 1987. J Biol Chem. 262: 4631-8. PMID: 3558359
  8. Thromboxane A2 analogue (U-46619) stimulates vascular PGI2 synthesis.  |  Jeremy, JY., et al. 1985. Eur J Pharmacol. 107: 259-62. PMID: 3884343
  9. Responsiveness of platelets and coronary arteries from different species to synthetic thromboxane and prostaglandin endoperoxide analogues.  |  Burke, SE., et al. 1983. Br J Pharmacol. 78: 287-92. PMID: 6831115
  10. Comparison of the actions of U-46619, a prostaglandin H2-analogue, with those of prostaglandin H2 and thromboxane A2 on some isolated smooth muscle preparations.  |  Coleman, RA., et al. 1981. Br J Pharmacol. 73: 773-8. PMID: 7248665
  11. Time-dependent inhibition by glyceryl trinitrate of platelet aggregation caused by U46619 (a thromboxane/endoperoxide receptor agonist).  |  Kampf, G. and Ritter, JM. 1994. Br J Clin Pharmacol. 38: 80-2. PMID: 7946941
  12. The thromboxane mimetic, U-46619, induces the aggregation of fish thrombocytes.  |  Hill, DJ. and Rowley, AF. 1996. Br J Haematol. 92: 200-11. PMID: 8562396
  13. The thromboxane A2 mimetic U-46619 inhibits somatomotor activity via a vagal reflex from the lung.  |  Pickar, JG. 1998. Am J Physiol. 275: R706-12. PMID: 9728066

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

U-46619, 1 mg

sc-201242
1 mg
$240.00

U-46619, 10 mg

sc-201242A
10 mg
$1275.00

Is this product a specific activator of p38 MAPK?

Asked by: Saibal
Thank you for your question . U-46619 is not an activator of p38 MAPK.
Answered by: BlakeJ
Date published: 2023-09-19

What is the shipping temperature of this product?

Asked by: hawkeye11
This chemical, U-46619 (CAS 56985-40-1), ships on blue ice.
Answered by: Chemical Support 1
Date published: 2017-03-08

Is this product soluble in ethanol?

Asked by: Io5ay
This chemical, U-46619, is soluble in Ethanol.
Answered by: Chemical Support 1
Date published: 2017-03-08
  • y_2025, m_11, d_21, h_6CST
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Rated 5 out of 5 by from EC differentiationUsing U-46619 significantly enhanced EC differentiation from hiPSCs
Date published: 2020-06-11
Rated 5 out of 5 by from cell cultureUsing U-46619 significantly enahnced EC differentoiation from hiPSCs
Date published: 2020-06-11
Rated 4 out of 5 by from This arcilte went ahead and made my dayThis arcilte went ahead and made my day.
Date published: 2016-02-12
Rated 5 out of 5 by from Nihsihara et alNihsihara et al. (PubMed ID 10887953) used U-46619, a specific TXA2 mimetic, to inhibit the release of hippocampal noradrenaline from the rat hippocampus activation via TXA2 receptors. -SCBT Publication Review
Date published: 2015-05-02
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U-46619 is rated 4.8 out of 5 by 4.
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