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Cyclothiazide | AMPA receptor positive allosteric modulator

Cyclothiazide (2259-96-3) is a positive allosteric modulator of AMPA receptors acting at a site distinct from that of 2,3-benzodiazepines.1,2 Clinically useful diuretic and antihypertensive agent.3 Induces robust epileptiform activity, inducing seizures but without neuronal death.4,5 Can be used to produce a new animal model for epilepsy.5


1) Donevan and Rogawski (1998), Allosteric regulation of alpha-amino-3-hydroxy-5-methyl-4-isoxazole-propionate receptors by thiocyanate and cyclothiazide at a common modulatory site distinct from that of 2,3-benzodiazepines; Neuroscience 87 615
2) Desai et al. (1995), Cyclothiazide acts at a site on the alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid receptor complex that does not recognize competitive or noncompetitive AMPA receptor antagonists; J. Pharmacol. Exp. Ther. 272 38
3) Jeunemaitre et al. (1988), Long-term metabolic effects of spironolactone and thiazides combined with potassium-sparing agents for treatment of essential hypertension; Am. J. Cardiol. 62 1072
4) Qi et al. (2006), Cyclothiazide induces robust epileptiform activity in rat hippocampal neurons both in vitro and in vivo; J. Physiol. 571 605
5) Kong et al. (2010), Cyclothiazide induces seizure behavior in freely moving rats; Brain Res. 1355 207

Focus Biomolecules supplier, chemical structure Cyclothiazide | AMPA receptor positive allosteric modulator | CAS 2259-96-3

Catalog#  10-2449-0010

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Catalog Number:
AMPA receptor positiv e allosteric modulator
Chemical Name:
Alternate Names:
Molecular Weight:
Molecular Formula:
Soluble in DMSO (up to 35 mg/ml) or in Ethanol (up to 9 mg/ml)
Physical Properties:
Off-white solid
98% by TLC
NMR (Conforms)
Storage Temperature:
Stable for 1 year as supplied. Solutions in DMSO or ethanol may be stored at -20°C for up to 3 months.
Shipping Code:
Materials provided by Focus Biomolecules are for laboratory research use only and are not intended for human or veterinary applications.

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