I9532

Sigma-Aldrich

Icilin

≥97% (HPLC), solid

Synonym(s):
1-(2-Hydroxyphenyl)-4-(3-nitrophenyl)-1,2,3,6-tetra­hydro­pyrimidin-2-one, AG-3-5
Empirical Formula (Hill Notation):
C16H13N3O4
CAS Number:
Molecular Weight:
311.29
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

assay

≥97% (HPLC)

form

solid

color

yellow

solubility

DMSO: 15 mg/mL

SMILES string

Oc1ccccc1N2CC=C(NC2=O)c3cccc(c3)[N+]([O-])=O

InChI

1S/C16H13N3O4/c20-15-7-2-1-6-14(15)18-9-8-13(17-16(18)21)11-4-3-5-12(10-11)19(22)23/h1-8,10,20H,9H2,(H,17,21)

InChI key

RCEFMOGVOYEGJN-UHFFFAOYSA-N

General description

Icilin is a synthetic cooling agent and modulates human transient receptor potential cation channel (TRPA1). Icilin inhibits transient receptor potential cation channel subfamily M member 8 (TRPM8) and modulates calcium release. Icilin also suppresses transient receptor potential vanilloid subtype 3 (TRPV3).

Application

Icilin has been used as cooling agent in anterior ventromedial preoptic area (VMPO) neurons.

Packaging

10, 50 mg in glass bottle

Biochem/physiol Actions

Icilin is a potent agonist at the CMR1 cold- and menthol-sensitive receptor.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Warm-sensitive neurons that control body temperature
Tan CL, et al.
Cell, 167(1), 47-59 (2016)
Inhibition of TRPM8 by icilin distinct from desensitization induced by menthol and menthol derivatives
Kuhn FJP, et al.
The Journal of Biological Chemistry, 284(7), 4102-4111 (2009)
Supercooling agent icilin blocks a warmth-sensing ion channel TRPV3
Sherkheli MA, et al.
TheScientificWorldJournal, 2012(6), 859-869 (2012)
The super-cooling agent icilin reveals a mechanism of coincidence detection by a temperature-sensitive TRP channel
Chuang HH, et al.
Neuron, 43(6), 859-869 (2004)
Dimitra Gkika et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 34(6), 7483-7499 (2020-04-12)
Recent studies have revealed gender differences in cold perception, and pointed to a possible direct action of testosterone (TST) on the cold-activated TRPM8 (Transient Receptor Potential Melastatin Member 8) channel. However, the mechanisms by which TST influences TRPM8-mediated sensory functions...

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