Formulation: A solid
Formal Name: 13-L-valine-α-melanotropin, trifluoroacetate salt
Purity: ≥98%
Formula Markup: C77H108N20O20S • XCF3COOH
Formula Weight: 1665,9
Shelf life (days): 1460
Notes: α-Melanocyte-stimulating hormone (α-MSH) acid is an acid form of α-MSH (Item No. 29923).{48427} It selectively binds to melanocortin receptor 1 (MC1R) over MC3R, MC4R, and MC5R in COS-1 cells expressing the human receptors (Kis = 0.0012, 0.0829, 3.05, and 18.2 µM, respectively).