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 Plus. 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.
All Tocris products are intended for laboratory research use only.
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 solvent 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 products' biological activity.
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
Keywords: SHA 68, supplier, SHA68, neuropeptides, S, NPSRs, NPS, antagonists, selective, Other, Peptide, Receptors, Other, Peptide, Receptors, Tocris Bioscience
