CP 99994 dihydrochloride

Cat. No. 3417

CP 99994 dihydrochloride C19H24N2O.2HCl [145148-39-6]

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Chemical Name: (2S,3S)-N-[(2-Methoxyphenyl)methyl]-2-phenyl-3-piperidinamine dihydrochloride

Biological Activity

High affinity NK1 antagonist (Ki = 0.145 nM in vitro). Also displays high ex vivo binding potency in gerbil striatum (IC50 = 36.8 nM). Attenuates endothelium-dependent contraction induced by substance P.

Licensing Information

Sold for research purposes under agreement from Pfizer Inc.

Technical Data

Soluble to 100 mM in water and to 50 mM in DMSO
>99 %
Desiccate 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.

Certificate of Analysis / Safety Data Sheet

Certificate of Analysis: View current batch
Safety Data Sheet: View Safety Data Sheet


Shirahase et al (1995) Endothelium-dependent contraction in intrapulmonary arteries: mediation by endothelial NK1 receptors and TXA2. Br.J.Pharmacol. 115 1215. PMID: 7582548.

Duffy et al (2002) Correlation of neurokinin (NK) 1 receptor occupancy in gerbil striatum with behavioral effects of NK1 antagonists. J.Pharmacol.Exp.Ther. 301 536. PMID: 11961054.

Lindstrom et al (2007) Neurokinin 1 receptor antagonists: correlation between in vitro receptor interaction and in vivo efficacy. J.Pharmacol.Exp.Ther. 322 1286. PMID: 17575073.

If you know of a relevant citation for this product please let us know.

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Keywords: CP 99994 dihydrochloride, supplier, pfizer, CP99994, neurokinin, 1, receptors, nk1, tachykinin, substance, p, antagonists, Neurokinin (NK1) Receptor Antagonists

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