Myristoyl Tetrapeptide-12
| Product Name | Myristoyl Tetrapeptide-12 |
|---|---|
| CAS Number | 959610-54-9 |
| Appearance | White to off-white powder |
| Specifications | ≥98% (HPLC) |
| Molecular Formula | C35H63N7O7 |
| Molecular Weight | 693.9 g/mol |
| Solubility | Soluble in water, ethanol, and propylene glycol |
| Package | 1 kg, 5 kg, 10 kg (net weight in aluminum foil bags or fiber drums) |
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Synonyms: Myristoyl Tetrapeptide-12, N-Myristoyl Tetrapeptide-12, Myristoyl Tetrapeptide-12 (INCI), CAS 959610-54-9
Myristoyl Tetrapeptide-12 is a synthetic lipopeptide consisting of a tetrapeptide backbone acylated with myristic acid at the N-terminus. The sequence—typically comprising glycine, histidine, and lysine residues—is designed to mimic the active site of human parathyroid hormone-related protein (PTHrP), a natural regulator of melanogenesis. This modification enhances lipophilicity and skin penetration, making it a valuable active in cosmetic formulations aimed at pigmentation control.
Since its introduction, Myristoyl Tetrapeptide-12 has gained attention as a non-hydroquinone alternative for hyperpigmentation. It operates by interfering with tyrosinase activity and melanocyte-stimulating hormone (MSH) signaling, thereby reducing melanin synthesis. Unlike conventional whitening agents, it does not cause cytotoxicity to melanocytes, offering a gentler approach to skin lightening.
The peptide is produced via solid-phase peptide synthesis, followed by myristoylation and high-performance liquid chromatography (HPLC) purification. It is supplied as a white to off-white powder, standardized to ≥98% purity, and is compatible with a wide range of cosmetic delivery systems, including emulsions, serums, and gels.
| Parameter | Specification |
|---|---|
| Assay (HPLC) | ≥98.0% |
| Identification | Conforms to structure |
| Appearance | White to off-white powder |
| Loss on Drying | ≤5.0% |
| Residue on Ignition | ≤1.0% |
| Heavy Metals | ≤10 ppm |
| Microbial Limits | Total aerobic count ≤1000 CFU/g; Yeast & Mold ≤100 CFU/g; E. coli absent |
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