Deltorphin 2  (Synonyms: [D-Ala2]-Deltorphin II)

Deltorphin 2 is a selective peptide agonist for the δ opioid receptor.

Deltorphin 2 ([D-Ala2]-Deltorphin II) is enzymatically stable, amphibian heptapeptides that has a high affinity and selectivity for delta-opioid receptor. Deltorphin 2 is the most selective natural delta opioid receptor agonist^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

782.88

C₃₈H₅₄N₈O₁₀

122752-16-3

Solid

White to off-white

Y-{d-Ala}-FEVVG-NH2

Room temperature in continental US; may vary elsewhere.

Sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

• [1]. Thomas SA, et al. Structure-activity relationships of a series of [D-Ala2]deltorphin I and II analogues; in vitro blood-brain barrier permeability and stability. J Pharmacol Exp Ther. 1997 May;281(2):817-25.  [Content Brief]