Date published: 2026-4-29

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Guanethidine sulfate (CAS 645-43-2)

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Alternate Names:
Guanethidine sulfate is also known as N-[2-(Hexahydro-1(2H)-azocinyl)ethyl]guanidine sulfate.
Application:
Guanethidine sulfate is an antihypertensive and antiglaucoma compound, competitive with norepinephrine in adrenergic neuron transport.
CAS Number:
645-43-2
Purity:
≥99%
Molecular Weight:
296.39
Molecular Formula:
C10H22N4•H2SO4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Guanethidine sulfate is a compound that is of particular interest in cardiovascular and neurological research. It is known to inhibit the release of neurotransmitters from sympathetic nerve endings. This mechanism is exploited in research focused on understanding sympathetic nervous system function and its impact on blood pressure regulation. Studies utilizing guanethidine sulfate often explore its effects on neurotransmitter storage and release, providing insights into the molecular details of synaptic transmission. Additionally, the compound is used in experiments designed to induce chemical sympathectomy, allowing researchers to study the outcomes of reduced sympathetic activity in various physiological systems.


Guanethidine sulfate (CAS 645-43-2) References

  1. [Guanethidine sulfate (ismeline) and adrenaline in the treatment of postoperative secondary and residual glaucoma].  |  Ourgaud, AG. and Chagnon, A. 1976. Bull Soc Ophtalmol Fr. 76: 517-21. PMID: 1052150
  2. Severe essential hypertension treated by guanethidine sulfate with hydrochlorthiazide.  |  GREENSTEIN, S. 1961. J Albert Einstein Med Cent (Phila). 9: 198-205. PMID: 13708357
  3. The antihypertensive effect of guanethidine sulfate.  |  ZIEGLER, RW., et al. 1961. J La State Med Soc. 113: 221-3. PMID: 13788429
  4. The initial pressor actions of bretylium tosylate and guanethidine sulfate and their relation to release of catecholamines.  |  GILLIS, CN. and NASH, CW. 1961. J Pharmacol Exp Ther. 134: 1-7. PMID: 13898659
  5. Blockade of beta-adrenergic signaling does not influence the bone mechano-adaptive response in mice.  |  Marenzana, M., et al. 2007. Bone. 41: 206-15. PMID: 17543595
  6. Effects of neonatal sympathectomy with 6-hydroxydopamine or guanethidine on survival of neurons in the intermediolateral cell column of rat spinal cord.  |  Krukoff, TL., et al. 1990. J Auton Nerv Syst. 31: 119-26. PMID: 2127052
  7. Guanethidine-induced adrenergic sympathectomy augments endoneurial perfusion and lowers endoneurial microvascular resistance.  |  Zochodne, DW., et al. 1990. Brain Res. 519: 112-7. PMID: 2397398
  8. Effect of sympathectomy on ontogeny of small intestinal disaccharidases in the rat.  |  Grunwald, Z., et al. 1987. J Pediatr Gastroenterol Nutr. 6: 784-8. PMID: 3694373
  9. Sociosexual behaviors of female rats during and after chronic treatment with the sympatholytic agent guanethidine.  |  Emery, DE. 1985. Pharmacol Biochem Behav. 23: 267-73. PMID: 4059312
  10. Guanethidine sulfate in the prevention of autonomic hyperreflexia.  |  Brown, BT., et al. 1979. J Urol. 122: 55-7. PMID: 458989
  11. [Determination of (2-(octahydro-1'-azocinyl)ethyl) guanidine sulfate (guanethidine sulfate) in non-aqueous mdium. Thin layer chromatography of guanethidine sulfate].  |  Tománková, H. 1970. Cesk Farm. 19: 96-8. PMID: 5423295
  12. Antagonism of the antihypertensive action of guanethidine sulfate by desipramine hydrochloride.  |  Mitchell, JR., et al. 1967. JAMA. 202: 973-6. PMID: 5630743
  13. Outflow facility after guanethidine sulfate administration.  |  Bonomi, L. and DiComite, P. 1967. Arch Ophthalmol. 78: 337-40. PMID: 6040011
  14. Histologic evaluation of the sympathectomy induced by guanethidine sulfate in neonatal rats.  |  Herskovits, MS. and Singh, IJ. 1982. J Exp Zool. 223: 97-101. PMID: 7130940
  15. Guanadrel. A new antihypertensive drug.  |  Dunn, MI. and Dunlap, JL. 1981. JAMA. 245: 1639-42. PMID: 7206175

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Guanethidine sulfate, 1 g

sc-211570
1 g
$238.00

What are the storage conditions?

Asked by: SCchem16
Thank you for your question. This chemical, Guanethidine sulfate (CAS 645-43-2), is hygroscopic. We recommend it be stored at -20ºc under inert atmosphere.
Answered by: Chemical Support 2
Date published: 2017-03-24
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Rated 5 out of 5 by from Guanethidine inhibited the sustained phaseGuanethidine inhibited the sustained phase of calcium-induced EFS-evoked contractions by reducing ATP release in rabbit vas deferens. -SCBT Publication Review
Date published: 2015-06-25
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Guanethidine sulfate is rated 5.0 out of 5 by 1.
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