A-71623

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Cat.No. 2411 - A-71623 | Boc-Trp-Lys(Tac)-Asp-N-methyl-Phe-NH2 | CAS No. 130408-77-4
Description: Potent and selective CCK1 agonist; suppresses feeding
Chemical Name: N-[(1,1-Dimethylethoxy)carbonyl]-L-tryptophyl-N6-[[(2-methylphenyl)amino]carbonyl]-L-lysyl-L-α-aspartyl-Nα-methyl-L-phenylalaninamide
Datasheet
Citations
Literature

Biological Activity

Potent CCK1 agonist (IC50 = 3.7 nM) with 1200-fold selectivity over the CCK2 receptor. Suppresses food intake following central or peripheral administration.

Technical Data

M. Wt 840.97
Formula C44H56N8O9
Sequence XWKDF

(Modifications: Trp-1 = Boc-Trp, Lys-3 = Lys(Tac), Phe-5 = N-methyl-Phe & C-terminal amide)

Storage Desiccate at -20°C
CAS Number 130408-77-4
PubChem ID 121964
InChI Key KNHCBYMGWWTGSO-ZYADHFCISA-N
Smiles O=C(N[C@H]([C@](N[C@@H](CC(O)=O)C(N(C)[C@@H](CC3=CC=CC=C3)C(N)=O)=O)=O)CCCCNC(NC4=CC=CC=C4C)=O)[C@@H](NC(OC(C)(C)C)=O)CC1=CNC2=C1C=CC=C2

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

SolubilitySoluble to 1 mg/ml in 20mM PBS buffer

Preparing Stock Solutions

The following data is based on the product molecular weight 840.97. 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.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.19 mL 5.95 mL 11.89 mL
5 mM 0.24 mL 1.19 mL 2.38 mL
10 mM 0.12 mL 0.59 mL 1.19 mL
50 mM 0.02 mL 0.12 mL 0.24 mL

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Product Datasheets

Certificate of Analysis / Product Datasheet
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Safety Datasheet

References

References are publications that support the products' biological activity.

Asin et al (1992) A-71623, a selective CCK-A receptor agonist, suppresses food intake in the mouse, dog, and monkey. Pharmacol.Biochem.Behav. 42 699 PMID: 1513850

DeNinno et al (1990) Development of CCK-tetrapeptide analogues as potent and selective CCK-A receptor agonists. J.Med.Chem. 33 2951 PMID:

Lin et al (1990) Characterization of two novel cholecystokinin tetrapeptide (30-33) analogues, A-71623 and A-70874, that exhibit high potency and selectivity for cholecystokinin-A receptors. Mol.Pharmacol. 39 346 PMID:


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Keywords: Potent selective CCK1 agonists Suppresses feeding Cholecystokinin1 Receptors A71623 CCK1 Receptor

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