Biological Activity
Corticotropin-releasing factor receptor antagonist (Ki values are 17, 5 and 0.97 at human CRF1, rat CRF2α and mouse CRF2β receptors respectively).
Licensing Information
Sold with the permission of the SALK Institute
Technical Data
| M. Wt | 3827 |
| Formula | C166H274N46O53S2 |
| Sequence |
DLTFHLLREMLEMAKAEQEAEQAALNRLLLEEA (Modifications: Ala-33 = C-terminal amide) |
| Storage | Desiccate at -20°C |
| CAS Number | 90880-23-2 |
| PubChem ID | 44593730 |
| InChI Key | PNGVJHODDQMQKT-GVKLFNHCSA-N |
| Smiles | [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(N)=O |
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
| Solubility | Soluble to 1 mg/ml in 0.1% TFA |
Preparing Stock Solutions
The following data is based on the product molecular weight 3827. 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 | 0.26 mL | 1.31 mL | 2.61 mL |
| 5 mM | 0.05 mL | 0.26 mL | 0.52 mL |
| 10 mM | 0.03 mL | 0.13 mL | 0.26 mL |
| 50 mM | 0.01 mL | 0.03 mL | 0.05 mL |
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Product Datasheets
References
References are publications that support the products' biological activity.
Kask et al (1997) Alpha-helical(9-41) revents anxiogenic-like effect of NPY Y1 receptor antagonist BIBP3226. NeuroReport 8 3645 PMID: 9427342
Perrin and Vale (1999) Corticotropin releasing factor receptors and their ligand family. Ann.N.Y.Acad.Sci. 885 312 PMID: 10816663
Swerdlow et al (1989) Potentiation of acoustic startle by corticotropin-releasing factor (CRF) and by fear are both reversed by α-helical CRF (9-41). Neuropsychopharmacology 2 285 PMID: 2610824
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