FOR LABORATORY RESEARCH USE ONLY — not for human or veterinary use, diagnosis, treatment, or cosmetic application. Buyers must be 21+ and legally permitted to purchase research chemicals in their jurisdiction.Intended-use statement →
Melanotan I (Afamelanotide) Wholesale
α-MSH analogue (13 aa) — MC1R-selective agonist for melanocortin receptor research
Product Identity
| CAS Number | 75921-69-6 |
| Molecular Formula | C₇₈H₁₁₁N₂₁O₁₉ |
| Molecular Weight | ~1,646.8 Da |
| Appearance | White to off-white lyophilized powder |
| Purity | ≥99% by HPLC |
| Solubility | Soluble in sterile water or PBS |
| Storage | 2–8°C, desiccated, protect from light |
| Identification | ESI-MS identity confirmation on each batch |
Available Configurations
| Configuration | Content | Best For |
|---|---|---|
| Standard Kit | 10 mg × 10 vials | Protocol validation; evaluation orders |
| Custom | Custom mg × custom vials | OEM; private-label; protocol-specific |
Research Background
Melanotan I (afamelanotide) is a 13-amino-acid analogue of α-melanocyte-stimulating hormone designed for increased stability and MC1 receptor selectivity. It is used in receptor-pharmacology and pigment-cell research as a selective melanocortin-1 receptor (MC1R) agonist alongside the broader-spectrum, cyclic analogue Melanotan II.
Proposed Mechanisms
Research Focus Areas
MC1R selectivity and binding-characterisation studies
Melanocyte-culture research models
Comparison of linear vs cyclic α-MSH analogues
Quality Specifications
| Parameter | Method | Criterion |
|---|---|---|
| Purity | HPLC at 214 nm, C18 column | ≥99.0% peak area |
| Identity | ESI-MS | Da |
| Appearance | Visual inspection | White to off-white lyophilized powder |
| Purity assay | Amino acid analysis | ≥80% net peptide |
| Residual moisture | Karl Fischer | ≤3% |
| Solubility | Reconstitution test | Soluble in sterile water or PBS |
Tiered Wholesale Pricing
| Kit size | Code | List price |
|---|---|---|
| 10 mg × 10 vials | MT1 | US$48 |
US$48–48 per kit (10 vials), from our published wholesale price list; tiered volume discounts apply (see the tier table) — source:wholesale price list (PDF, updated 2026-08-08).
| Volume | Discount | For |
|---|---|---|
| 1 kit | List price | Evaluation; competitive analysis |
| 5+ kits | 10% off | Initial portfolio expansion |
| 20+ kits | 20% off | Mid-size distributors |
| 50+ kits | 30% off | Regional distributors |
FAQ
What is the difference between Melanotan I and Melanotan II?
Melanotan I (afamelanotide) is a linear 13-amino-acid α-MSH analogue with selectivity for MC1R. Melanotan II is a cyclic 7-amino-acid analogue with a broader melanocortin receptor profile (including MC3R/MC4R) in receptor research.
Is this product for human use?
No. It is supplied strictly as a laboratory research reagent, FOR RESEARCH USE ONLY. It is not for human or veterinary use, and no human application, cosmetic use or clinical claim is made or implied.
What do you document for each batch?
A batch-specific COA with HPLC purity and mass-spectrometry identity, plus commercial invoice and packing list.
Which kit sizes are available?
10 mg × 10 vials as standard; custom vial sizes and OEM presentation are available on request.
All products are manufactured for laboratory research purposes only. Melanotan I is labeled FOR LABORATORY RESEARCH USE ONLY. Not for human or veterinary use, diagnosis, treatment, prophylaxis or any clinical, cosmetic, dietary or household application. Not a dietary supplement, pharmaceutical ingredient, cosmetic ingredient or approved drug substance. Buyers are responsible for verifying the legal status of importation and possession in their destination country.
Ready to Source Melanotan I?
Bulk pricing, tiered discounts up to 30%, COA with every order.