Apollo Analytical
Peptides/Sexual Health

Melanotan I (Afamelanotide) Testing

MW: 1646.85 g/mol

Linear α-MSH analog (Scenesse); approved for erythropoietic protoporphyria.

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What we test on Melanotan I (Afamelanotide)

Methionine oxidation common.

Standard Sexual Health Panel
  • ✓RP-HPLC purity
  • ✓LC-MS (cyclization confirmation)
  • ✓Disulfide bond mapping

Common impurities in this category

Linear (uncyclized) precursor, oxidized disulfide, racemization.

Related Sexual Health peptides

Melanotan II
1024.18 g/mol
Cyclic α-MSH analog; widely used as a tanning research peptide.
PT-141 (Bremelanotide)
1025.18 g/mol
Melanocortin-receptor agonist derived from Melanotan II. FDA-approved as Vyleesi.