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Endomorphin-2 trifluoroacetate salt
H-Tyr-Pro-Phe-Phe-NH₂ trifluoroacetate salt


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4027685.0005 5 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 84.00
CHF 78.12 (7%)
4027685.0025 25 mg Ships within 3-5 business days  
CHF 337.00
CHF 313.41 (7%)


Endomorphin-2 (YPFF-amide) shows, as endomorphin-1, the highest affinity and specificity for the mu-opiate receptor found so far in the mammalian nervous system. It has potent mu-selective bioactivity, including analgesia. Szegedi et al. showed that endomorphin-2 protects against Aβ 1-42 in vitro and in vivo. Acylated endomorphin-2 is used as cosmetic ingredient for sensitive skin care.
Catalog Number H-4004
APC Number 23-1-12
One Letter Code YPFF-NH₂
Molecular Formula C₃₂H₃₇N₅O₅
Relative Molecular Mass 571.68
CAS Registry Number 141801-26-5
Source Synthetic
Storage Conditions -20 ± 5 °C
Keywords Opiate receptor agonist