CGS 9343B

Modify Date: 2025-08-25 18:11:41

CGS 9343B Structure
CGS 9343B structure
Common Name CGS 9343B
CAS Number 109826-27-9 Molecular Weight 544.60
Density 1.31g/cm3 Boiling Point 778ºC at 760 mmHg
Molecular Formula C30H32N4O6 Melting Point N/A
MSDS USA Flash Point 424.3ºC

 Use of CGS 9343B


Zaldaride maleate (CGS-9343B) is a potent and selective inhibitor of calmodulin. Zaldaride maleate (CGS-9343B) inhibits CaM (calmodulin)-stimulated cAMP phosphodiesterase activity, with an IC50 of 3.3 nM[1][2]. Zaldaride maleate (CGS-9343B) prevents estrogen-induced transcription activation by ER, reversibly blocks voltage-activated Na+, Ca2+ and K+ currents in PC12 cells and inhibits nAChR[3].

 Names

Name CGS 9343B,1,3-Dihydro-1-[1-[(4-methyl-4H,6H-pyrrolo[1,2-a][4,1]benzoxazepin-4-yl)methyl]-4-piperidinyl]-2H-benzimidazol-2-onemaleate

 CGS 9343B Biological Activity

Description Zaldaride maleate (CGS-9343B) is a potent and selective inhibitor of calmodulin. Zaldaride maleate (CGS-9343B) inhibits CaM (calmodulin)-stimulated cAMP phosphodiesterase activity, with an IC50 of 3.3 nM[1][2]. Zaldaride maleate (CGS-9343B) prevents estrogen-induced transcription activation by ER, reversibly blocks voltage-activated Na+, Ca2+ and K+ currents in PC12 cells and inhibits nAChR[3].
Related Catalog
Target

IC50: 3.3 nM (calmodulin)[1][2].

References

[1]. Norman JA, et al. CGS 9343B, a novel, potent, and selective inhibitor of calmodulin activity. Mol Pharmacol. 1987 May;31(5):535-40.

[2]. Neuhaus R, et al. Inhibition of membrane currents and rises of intracellular Ca2+ in PC12 cells by CGS 9343B, a calmodulin inhibitor. Eur J Pharmacol. 1992 Jun 5;226(2):183-5.

[3]. Li L, et al. Calmodulin regulates the transcriptional activity of estrogen receptors. Selective inhibition of calmodulin function in subcellular compartments. J Biol Chem. 2003 Jan 10;278(2):1195-200.

 Chemical & Physical Properties

Density 1.31g/cm3
Boiling Point 778ºC at 760 mmHg
Molecular Formula C30H32N4O6
Molecular Weight 544.60
Flash Point 424.3ºC
Exact Mass 544.23200
PSA 129.79000
LogP 3.85250
Vapour Pressure 1.78E-25mmHg at 25°C

 Safety Information

Hazard Codes Xi
RIDADR NONH for all modes of transport

 Articles28

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