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SR 140333

Chemical Structure : SR 140333

CAS No.: 153050-21-6

SR 140333 (SR140333;SR-140333)

Catalog No.: PC-60342Not For Human Use, Lab Use Only.

A potent, selective, non-peptide NK1 receptor antagonist with Ki of 0.74 nM, IC50 of 1.6 nM.

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Purity & Documentation Purity: >98% (HPLC)

Biological Activity

A potent, selective, non-peptide NK1 receptor antagonist with Ki of 0.74 nM, IC50 of 1.6 nM; shows no effect in bioassays for NK2 and NK3 receptors; blocks substance P-induced release of acetylcholine from rat striatum, exerts highly potent antagonism toward substance P-induced hypotension in vivo, also blocks the activation of rat thalamic neurons after nociceptive stimulation.

Physicochemical Properties

M.Wt 656.12
Formula C37H45Cl3N2O2
Appearance Solid
CAS No.
Storage
Solide Powder
-20 °C 12 Months; 4°C 6 Months
In Solvent
-80 °C 6 Months; -20°C 6 Months
Shipping
Solubility

10 mM in DMSO

Chemical Name/SMILES

1-[2-[(3S)-3-(3,4-Dichlorophenyl)-1-[2-[3-(1-methylethoxy)phenyl]acetyl]-3-piperidinyl]ethyl]-4-phenyl-1-azoniabicyclo[2.2.2]octane chloride

References

1. Emonds-Alt X, et al. Eur J Pharmacol. 1993 Dec 21;250(3):403-13.

2. Jung M, et al. Neuropharmacology. 1994 Feb;33(2):167-79.

3. Oury-Donat F, et al. J Neurochem. 1994 Apr;62(4):1399-407.

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