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Merck

C9847

Cyclothiazide

AMPA glutamate receptor blocker, powder

Synonym(s):

6-Chloro-3,4-dihydro-3-(2-norbornen-5-yl)-2H-1,2-4-benzothiadiazine-7-sulfonamide 1,1-dioxide

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About This Item

Empirical Formula (Hill Notation):
C14H16ClN3O4S2
CAS Number:
2259-96-3
Molecular Weight:
389.88
EC Number:
218-859-7
MDL number:
MFCD00210192
UNSPSC Code:
12352125
PubChem Substance ID:
24278350
NACRES:
NA.77

Key Documents

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Product Name

Cyclothiazide,

form

powder

Quality Level

200

originator

Eli Lilly

storage temp.

2-8°C

SMILES string

[H][C@@]12CC(C3Nc4cc(Cl)c(cc4S(=O)(=O)N3)S(N)(=O)=O)[C@@]([H])(C1)C=C2

InChI

1S/C14H16ClN3O4S2/c15-10-5-11-13(6-12(10)23(16,19)20)24(21,22)18-14(17-11)9-4-7-1-2-8(9)3-7/h1-2,5-9,14,17-18H,3-4H2,(H2,16,19,20)/t7-,8+,9?,14?/m0/s1

InChI key

BOCUKUHCLICSIY-QJWLJZLASA-N

Gene Information

human ... CA1(759), CA4(762), GRIA1(2890), GRIA2(2891), GRIA3(2892), GRIA4(2893)
rat ... Gria1(50592)

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1 of 4

This Item
D9035C4911SML2047
Cyclothiazide

Sigma-Aldrich

C9847

Cyclothiazide

Diazoxide

Sigma-Aldrich

D9035

Diazoxide

Chlorothiazide thiazide diuretic

Sigma-Aldrich

C4911

Chlorothiazide

BPAM344 ≥98% (HPLC)

Sigma-Aldrich

SML2047

BPAM344

form

powder

form

powder

form

powder

form

powder

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

-

storage temp.

2-8°C

storage temp.

-

storage temp.

2-8°C

storage temp.

2-8°C

originator

Eli Lilly

originator

Schering Plough

originator

-

originator

-

Gene Information

human ... CA1(759), CA4(762), GRIA1(2890), GRIA2(2891), GRIA3(2892), GRIA4(2893)
rat ... Gria1(50592)

Gene Information

human ... KCNA1(3736), KCNJ11(3767), KCNJ8(3764), KCNMA1(3778)
mouse ... Kcnj1(56379), Kcnj11(16514)
rat ... Gria1(50592), Kcna1(24520), Kcnj1(24521), Kcnj11(83535), Kcnj8(25472)

Gene Information

human ... CA1(759), CA4(762), SLC12A3(6559)

Gene Information

-

General description

Cyclothiazide is a benzothiadiazine, which has a similar structure to diazoxide.[1]

Application

Cyclothiazide has been used as a α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid receptor (AMPAR) desensitization blocker to study the effects of γ2 on receptor desensitization.[2]

Biochem/physiol Actions

Blocks the rapid desensitization of the AMPA glutamate receptors and markedly prolongs the decay time of the evoked excitatory post-synaptic current.

Features and Benefits

This compound is a featured product for Neuroscience research. Click here to discover more featured Neuroscience products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.
This compound is featured on the Glutamate Receptors (Ion Channel Family) page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
This compound was developed by Eli Lilly. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000303633
0000303633
0000254868
0000228631
0000226294

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Craig S Walker et al.
Current biology : CB, 19(11), 900-908 (2009-06-02)
Ionotropic glutamate receptors (iGluRs) are glutamate-gated ion channels that mediate excitatory neurotransmission in the central nervous system. Based on both molecular and pharmacological criteria, iGluRs have been divided into two major classes, the non-NMDA class, which includes both AMPA and
L O Trussell et al.
Neuron, 10(6), 1185-1196 (1993-06-01)
We have investigated the role of AMPA receptor desensitization during transmission at a calyceal synapse. Cyclothiazide blocked the rapid desensitization of AMPA receptors and markedly prolonged the decay time of the evoked excitatory postsynaptic current (PSC). This effect was greater
D K Patneau et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 13(8), 3496-3509 (1993-08-01)
In whole-cell recordings from mammalian CNS neurons, AMPA-preferring glutamate receptors exhibit strong desensitization in response to AMPA, glutamate, and quisqualate, but not to kainate or domoate. Such desensitization is reduced by lectins, by the nootropic drug aniracetam, and by diazoxide.
Cole W Graydon et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(24), 8358-8372 (2014-06-13)
Sensory processing in the auditory system requires that synapses, neurons, and circuits encode information with particularly high temporal and spectral precision. In the amphibian papillia, sound frequencies up to 1 kHz are encoded along a tonotopic array of hair cells
Patricio Opazo et al.
Neuron, 67(2), 239-252 (2010-07-31)
The Ca(2+)/calmodulin-dependent protein kinase II (CaMKII) is critically required for the synaptic recruitment of AMPA-type glutamate receptors (AMPARs) during both development and plasticity. However, the underlying mechanism is unknown. Using single-particle tracking of AMPARs, we show that CaMKII activation and
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