Potent and highly selective competitive tachykinin NK1 receptor antagonist (IC50 = 2.3 nM).
Sold with the permission of Merck Sharp and Dohme Ltd.
|Storage||Store at RT|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 472.39. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||2.12 mL||10.58 mL||21.17 mL|
|5 mM||0.42 mL||2.12 mL||4.23 mL|
|10 mM||0.21 mL||1.06 mL||2.12 mL|
|50 mM||0.04 mL||0.21 mL||0.42 mL|
The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.
References are publications that support the products' biological activity.
Cascieri et al (1994) Characterization of the interaction of N-acyl-L-tryptophan benzyl ester neurokinin antagonists with the human neurokinin-1 receptor. J.Biol.Chem. 269 6587 PMID: 7509807
Kuo et al (1998) Lipopolysaccharide enhances neurogenic plasma exudation in guinea-pig airways. Br.J.Pharmacol. 125 711 PMID: 9831906
MacLeod et al (1993) N-Acyl-L-tryptophan benzyl esters: potent substance P receptor antagonists. J.Med.Chem. 36 2044 PMID: 8393115
MacLeod et al (1994) Identification of L-tryptophan derivatives with potent and selective antagonist activity at the NK1 receptor. J.Med.Chem. 37 1269 PMID: 7513763
If you know of a relevant reference for L-732,138, please let us know.
View Related Products by Product Action
Keywords: Potent selective NK1 antagonists Tachykinin Receptors Neurokinin L732138 merck NK1 Receptor
1 Citation for L-732,138
Citations are publications that use Tocris products. Selected citations for L-732,138 include:
Li et al (2013) Neurotransmitter substance P mediates pancreatic cancer perineural invasion via NK-1R in cancer cells. J Neurosci 11 294 PMID: 23345604
Do you know of a great paper that uses L-732,138 from Tocris? If so please let us know.
Literature in this Area
Peptides Involved in Appetite Modulation Scientific Review
Written by Sonia Tucci, Lynsay Kobelis and Tim Kirkham, this review provides a synopsis of the increasing number of peptides that have been implicated in appetite regulation and energy homeostasis; putative roles of the major peptides are outlined and compounds available from Tocris are listed.
Major depressive disorder is characterized by depressed mood and a loss of interest and/or pleasure. Updated in 2015 this poster highlights presynaptic and postsynaptic targets for the potential treatment of major depressive disorder, as well as outlining the pharmacology of currently approved antidepressant drugs.