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Description: Selective Neuropeptide S receptor antagonist
Chemical Name: N-[(4-Fluorophenyl)methyl]tetrahydro-3-oxo-1,1-diphenyl-3H-oxazolo[3,4-a]pyrazine-7(1H)-carboxamide
Purity: ≥98% (HPLC)
Biological Activity
Selective neuropeptide S receptor (NPSR) antagonist (IC50 values are 22.0 and 23.8 nM for human NPSR Asn107 and Ile107 variants respectively). Displays no activity against a range of 14 GPCRs, including vasopressin and oxytocin receptors.
Compound Libraries
SHA 68 is also offered as part of the Tocriscreen 2.0 Max. Find out more about compound libraries available from Tocris.
Technical Data
| M. Wt | 445.49 |
| Formula | C26H24FN3O3 |
| Storage | Store at +4°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 847553-89-3 |
| PubChem ID | 11374217 |
| InChI Key | SFRQIPRTNYHJHP-UHFFFAOYSA-N |
| Smiles | O=C(NCC4=CC=C(F)C=C4)N1CC2N(C(OC(C5=CC=CC=C5)2C3=CC=CC=C3)=O)CC1 |
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 Data
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 44.55 | 100 | |
| ethanol | 44.55 | 100 |
Preparing Stock Solutions
The following data is based on the product molecular weight 445.49. 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 | 2.24 mL | 11.22 mL | 22.45 mL |
| 5 mM | 0.45 mL | 2.24 mL | 4.49 mL |
| 10 mM | 0.22 mL | 1.12 mL | 2.24 mL |
| 50 mM | 0.04 mL | 0.22 mL | 0.45 mL |
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Product Datasheets
References
References are publications that support the biological activity of the product.
Okamura et al (2008) Synthesis and pharmacological in vitro and in vivo profile of 3-oxo-1,1-diphenyl-tetrahydro-oxazolo[3,4-a]pyrazine-7-carboxylic acid 4-fluoro-benzylamide (SHA 68), a selective antagonist of the neuropeptide S receptor. J.Pharmacol.Exp.Ther. 325 893 PMID: 18337476
Okamura et al (2011) Neuropeptide S enhances memory during the consolidation phase and interacts with noradrenergic systems in the brain. Neuropsychopharmacology 36 744 PMID: 21150909
Trapella et al (2011) Synthesis and separation of the enantiomers of the neuropeptide S receptor antagonist (9R/S)-3-oxo-1,1-diphenyl-tetrahydro-oxazolo[3,4a]pyrazine-7-carboxylic acid 4-fluoro-benzylamide (SHA 68). J.Med.Chem. 54 2738 PMID: 21466221
If you know of a relevant reference for SHA 68, please let us know.
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Keywords: SHA 68, SHA 68 supplier, SHA68, neuropeptides, S, NPSRs, NPS, antagonists, selective, Neuropeptide, Receptors, 4510, Tocris Bioscience
1 Citation for SHA 68
Citations are publications that use Tocris products. Selected citations for SHA 68 include:
Ruzza et al (2018) Pharmacological profile of the neuropeptide S receptor: Dynamic mass redistribution studies. Pharmacol Res Perspect 6 e00445 PMID: 30534379
Do you know of a great paper that uses SHA 68 from Tocris? Please let us know.
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