Melanotan I (MT-1), also known as afamelanotide, is a synthetic alpha-MSH analogue peptide used as a reference compound in controlled laboratory research involving melanocortin receptor pathway models. CAS 75921-69-6. Molecular weight 1646.8 Da. This listing is for research use only and is not for human or animal consumption.
Current tested batch
Batch PP2604-048 is documented by an independent ILS Laboratories report covering identity, two-vial purity and content conformity, sterility, endotoxin, elemental impurities, and a fentanyl screen. Review the current certificate on this page before ordering.
Compound Specifications
Product Details
- Compound: Melanotan I Acetate (MT-1)
- Also known as: Afamelanotide, Melanotan 1
- CAS: 75921-69-6
- Molecular Weight: 1646.8 Da
- Sequence: Ac-Ser-Tyr-Ser-Nle-Glu-His-D-Phe-Arg-Trp-Gly-Lys-Pro-Val-NH2
- Form: Lyophilized powder
- Amount: 10mg
- Current batch: PP2604-048
- Batch documentation: ILS Laboratories COA COA-2026-CELKDV
- Testing: View COA (Verified by ILS Laboratories) →
Research Context
Melanotan I is described in the literature as a synthetic analogue of alpha-melanocyte-stimulating hormone. Research models use MT-1 as a tool compound for studying melanocortin receptor systems, peptide-receptor interactions, and related signaling pathways in controlled laboratory settings.
Handling and Storage
Store lyophilized material cold, dry, and protected from light. This material is supplied only for qualified laboratory research and analytical use.
For research use only. Not for human or animal consumption.

