CAS No. 1566590-77-9
Batch:
Purity:99.66
Chemical Structure
Check the
Melanotan I acetate
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| CAS Number | 1566590-77-9 | |
|---|---|---|
| Molecular Formula |
C78H111N21O19.xC2H4O2 |
|
| Molecular Weight (MW) | 1706.88 (free base) |
Melanotan I acetate is a synthetic analog of alpha-melanocyte-stimulating hormone (α-MSH) that functions as a potent agonist of melanocortin receptors. Binding to melanocortin receptors stimulates intracellular cyclic AMP (cAMP) accumulation and activates downstream melanogenesis signaling pathways. This activation promotes melanin synthesis and pigmentation responses in melanocytes, demonstrating prolonged biological activity compared to native peptide hormones. [1]
Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| Water | 100 mg/mL |
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
- Preheat media/saline to 37°C.
- Mix rapidly (pipette/vortex) upon addition.
- For complex mixes, always add the aqueous phase last.
- Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.