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Acetyl-(Cys⁴,D-Phe⁷,Cys¹⁰)-α-MSH (4-13) trifluoroacetate salt
Ac-Cys-Glu-His-D-Phe-Arg-Trp-Cys-Lys-Pro-Val-NH₂ trifluoroacetate salt (Disulfide bond)


Product No. Pack Size Available ADS InfoAnalytical Data Sheet List Price Online Order Price Qty
4016376.0001 1 mg Ships within 1 business day ADSExemplary Data Sheet of a current available lot.
CHF 105.00
CHF 97.65 (7%)
4016376.0005 5 mg Ships within 3-5 business days  
CHF 420.00
CHF 390.60 (7%)


The substitution of D-Phe⁷ for L-Phe⁷ in this cyclic MSH sequence led to a superagonist with ultraprolonged melanotropic activity in the frog and lizard skin bioassays. Additionally, this analog showed a complete resistance to tryptic degradation.
Catalog Number H-9220
APC Number 56-0-12
One Letter Code Ac-CEHfRWCKPV-NH₂
Synonyms [Ac-Cys4, DPhe7, Cys10] a-MSH (4-13), amide
Molecular Formula C₆₁H₈₆N₁₈O₁₃S₂
Relative Molecular Mass 1343.60
CAS Registry Number 91050-39-4
Source Synthetic
Storage Conditions -20 ± 5 °C