Capsazepine

Name: Capsazepine
Brand: Tocris Bioscience
SKU: 0464

Tocris Bioscience, part of Bio-Techne | Catalog # 0464

Citations (245)

COA / SDS

TRPV antagonist; also activator of ENaCδ

Key Product Details

Description:	TRPV antagonist; also activator of ENaCδ
Chemical Name:	N-[2-(4-Chlorophenyl)ethyl]-1,3,4,5-tetrahydro-7,8-dihydroxy-2H-2-benzazepine-2-carbothioamide
Purity:	≥99% (HPLC)
Molecular Weight:	376.9

View Full Technical Details for Capsazepine

Technical Data
Citations

Biological Activity for Capsazepine

Capsazepine is a selective vanilloid receptor antagonist (K_i = 3.2 μM). Inhibits carrageenan inflammation-induced hyperalgesic responses in the rat. Also activates amiloride-sensitive epithelial Na⁺ channel ENaCδ.

Technical Data for Capsazepine

M. Wt	376.9
Formula	C₁₉H₂₁ClN₂O₂S
Storage	Store at RT
Purity	≥99% (HPLC)
CAS Number	138977-28-3
PubChem ID	2733484
InChi Key	DRCMAZOSEIMCHM-UHFFFAOYSA-N
Smiles	OC1=C(O)C=C2CN(CCCC2=C1)C(=S)NCCC1=CC=C(Cl)C=C1

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

Tocris products are intended for laboratory research use only, unless stated otherwise.

Solubility for Capsazepine

	Solvent	Max Conc. mg/mL	Max Conc. mM
Solubility
	ethanol	9.42	25
	DMSO	37.69	100

Preparing Stock Solutions for Capsazepine

The following data is based on the product molecular weight 376.9.

Batch specific molecular weights may vary from batch to batch due to the degree 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	2.65 mL	13.27 mL	26.53 mL
5 mM	0.53 mL	2.65 mL	5.31 mL
10 mM	0.27 mL	1.33 mL	2.65 mL
50 mM	0.05 mL	0.27 mL	0.53 mL

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References for Capsazepine

References are publications that support the biological activity of the product.

Kwak A capsaicin-receptor antagonist, capsazepine, reduces inflammation-induced hyperalgesic responses in the rat: evidence for an endogenous capsaicin-like substance. Neuroscience 1998 PMID: 9881874
Yamamura Capsazepine is a novel activator of the δ subunit of the human epithelial Na⁺ channel. J.Biol.Chem. 2004 PMID: 15308635
Dickenson and Dray Selective antagonism of capsaicin by capsazepine: evidence for a spinal receptor site in capsaicin-induced antinociception. Br.J.Pharmacol. 1991 PMID: 1810591