Research Use Only
Afamelanotide
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
Afamelanotide (MT1) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 75921-69-6, formula C78H111N21O19, average MW 1646.8 Da, PubChem CID 16197727. It is indexed as alpha-MSH analogue melanocortin-1 receptor agonist.
Synonyms and vendor codes indexed here include MT1, MT-I, Scenesse, Melanotan I, [Nle4,D-Phe7]-alpha-MSH. This page does not describe administration or dosing.
Key facts
| CAS Registry Number | 75921-69-6 |
|---|---|
| Molecular formula | C78H111N21O19 |
| Average molecular weight | 1646.8 Da |
| PubChem CID | 16197727 |
| InChIKey | UAHFGYDRQSXQEB-LEBBXHLNSA-N |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | MT1, MT-I, Scenesse, Melanotan I, [Nle4,D-Phe7]-alpha-MSH |
| Research notes | alpha-MSH analogue melanocortin-1 receptor agonist |
| Evidence tier | B |
| Last verified | 2026-08-21 |
Is Afamelanotide for human use?
No. Afamelanotide (MT1) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of Afamelanotide?
The CAS number of Afamelanotide (MT1) is 75921-69-6. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of Afamelanotide?
The average molecular weight of Afamelanotide (MT1) listed on Costides is 1646.8 Da.
Chemical identity table
| CAS Registry Number | 75921-69-6 |
|---|---|
| Molecular formula | C78H111N21O19 |
| Average molecular weight | 1646.8 Da |
| PubChem CID | 16197727 |
| InChIKey | UAHFGYDRQSXQEB-LEBBXHLNSA-N |
| Synonyms | MT1, MT-I, Scenesse, Melanotan I, [Nle4,D-Phe7]-alpha-MSH |
Frequently asked questions
- What is Afamelanotide?
- Afamelanotide (MT1) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 75921-69-6, formula C78H111N21O19, average MW 1646.8 Da, PubChem CID 16197727. It is indexed as alpha-MSH analogue melanocortin-1 receptor agonist. The CAS number of Afamelanotide is 75921-69-6. Research Use Only. Not for human or veterinary use.
- What is the CAS number of Afamelanotide?
- The CAS number of Afamelanotide (MT1) is 75921-69-6. Formula and molecular weight appear in the identity table when retrieved.
- Is Afamelanotide for human use?
- No. Afamelanotide (MT1) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of Afamelanotide?
- The average molecular weight of Afamelanotide (MT1) listed on Costides is 1646.8 Da.
- Can I buy Afamelanotide from Costides?
- Yes. Afamelanotide may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for Afamelanotide come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 16197727
- CAS Common Chemistry 75921-69-6
- Heterochiral co-assembly of β-strands and hairpins affords stereocomplexed peptide hydrogels for drug delivery. PMID 41999898
- DOI for PMID 41999898 PMID 41999898
- New and currently investigated pharmacotherapies for the erythropoietic protoporphyrias: spotlight on dersimelagon and bitopertin. PMID 41885813
- DOI for PMID 41885813 PMID 41885813
- Afamelanotide improves quality of life and light tolerance in Austrian erythropoietic protoporphyria patients. PMID 41793078
- DOI for PMID 41793078 PMID 41793078