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| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Nelotanserin is a potent 5-HT 2A inverse agonist, a moderately potent 5-HT 2C partial inverse agonist and a weak 5-HT 2B inverse agonist, with IC 50 s of 1.7, 79, 791 nM in IP accumulation assays, respectively.
In Vitro
Results from IP accumulation assays suggest that Nelotanserin is a potent 5-HT 2A full inverse agonist (IC 50 =1.7 nM), a moderately potent 5-HT 2C partial inverse agonist (IC 50 =79 nM) (maximal response was 62% of the response obtained for the reference inverse agonist clozapine), and a weak 5-HT 2B inverse agonist (IC 50 =791 nM). Nelotanserin displays high affinity for recombinant human 5-HT 2A receptors (K i =0.35 nM), moderate affinity for human 5-HT 2C receptors (K i =100 nM), and low affinity for human 5-HT 2B receptors (2000 nM) stably expressed in HEK293 cells. The results suggest that Nelotanserin has a 262-fold higher affinity for human 5-HT 2A than 5-HT 2C receptors and a 6610-fold higher affinity for human 5-HT 2A than 5-HT 2B receptors. MCE has not independently confirmed the accuracy of these methods. They are for reference only.
In Vivo
Each compound is tested in a minimum of five rats by oral gavage with administration occurring in the middle of the inactive period, 6 h after light onset. The delta power during non-REM sleep (NREMS) is significantly different between all the analogues tested and the vehicle control. Nelotanserin (Compound 39) produces significant increases in delta power that persist for the first 4 h following dosing. Significant differences are found, however, in NREMS bout length. Nelotanserin significantly increases NREMS bout length during the first hour following dosing, and 3 does so during the second hour. In conjunction with this increased NREM bout duration, the number of NREM bouts decrease during the first hour for Nelotanserin (p<0.01) as well as for compound 15 (p<0.05). MCE has not independently confirmed the accuracy of these methods. They are for reference only.
Form:Solid
IC50& Target:5-HT 2A Receptor 1.7 nM (IC 50 ) 5-HT 2C Receptor 79 nM (IC 50 ) 5-HT 2B Receptor 791 nM (IC 50 )
| ALogP | 3.3 |
|---|
| Pubchem Sid | 528766374 |
|---|---|
| Canonical Smiles | CN1C(=C(C=N1)Br)C2=C(C=CC(=C2)NC(=O)NC3=C(C=C(C=C3)F)F)OC |
| IUPAC Name | 1-[3-(4-bromo-2-methylpyrazol-3-yl)-4-methoxyphenyl]-3-(2,4-difluorophenyl)urea |
| InChIKey | COSPVUFTLGQDQL-UHFFFAOYSA-N |
| INCHI | 1S/C18H15BrF2N4O2/c1-25-17(13(19)9-22-25)12-8-11(4-6-16(12)27-2)23-18(26)24-15-5-3-10(20)7-14(15)21/h3-9H,1-2H3,(H2,23,24,26) |
| Isomeric SMILES | CN1C(=C(C=N1)Br)C2=C(C=CC(=C2)NC(=O)NC3=C(C=C(C=C3)F)F)OC |
| PubChem CID | 11683556 |
| Molecular Weight | 437.24 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
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View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azoles |
| Subclass | Pyrazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Phenylpyrazoles |
| Alternative Parents | N-phenylureas Methoxyanilines Phenoxy compounds Anisoles Methoxybenzenes Alkyl aryl ethers Fluorobenzenes Aryl bromides Aryl fluorides Heteroaromatic compounds Ureas Azacyclic compounds Carbonyl compounds Organonitrogen compounds Organic oxides Organobromides Organofluorides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Phenylpyrazole - N-phenylurea - Methoxyaniline - Phenoxy compound - Anisole - Phenol ether - Methoxybenzene - Alkyl aryl ether - Halobenzene - Fluorobenzene - Aryl bromide - Aryl fluoride - Monocyclic benzene moiety - Aryl halide - Benzenoid - Heteroaromatic compound - Urea - Ether - Azacycle - Organic nitrogen compound - Organohalogen compound - Organobromide - Organofluoride - Carbonyl group - Organonitrogen compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Organic oxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as phenylpyrazoles. These are compounds containing a phenylpyrazole skeleton, which consists of a pyrazole bound to a phenyl group. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 | |
| Certificate of Analysis | Oct 31, 2024 | N646312 |
| Solubility | DMSO : ≥ 32 mg/mL (73.19 mM) |
|---|---|
| Molecular Weight | 437.200 g/mol |
| XLogP3 | 3.300 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 4 |
| Exact Mass | 436.035 Da |
| Monoisotopic Mass | 436.035 Da |
| Topological Polar Surface Area | 68.200 Ų |
| Heavy Atom Count | 27 |
| Formal Charge | 0 |
| Complexity | 518.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |