Luhan pharmachem Co., Ltd. supplies Tetrapeptide-21 bulk cosmetic peptide intermediate for skincare and biotech research industry. Our Tetrapeptide-21 is manufactured under strict quality control standards. Welcome to contact us for further details including HPLC purity data, specification sheets, MSDS and multiple packaging options. We look forward to assisting you with cosmetic formulation development and skin biology research projects.
What is Tetrapeptide-21?
Tetrapeptide-21 (also known as GEKG peptide, trade name TEGO® Pep 4-17) is a synthetic signal tetrapeptide. Amino acid sequence: Gly-Glu-Lys-Gly.
Chemical structure: H-Gly-Glu-Lys-Gly-OH.
Tetrapeptide-21 appears as white to off-white crystalline powder. CAS No.:960608-17-7. Molecular formula: C₁₅H₂₇N₅O₇; Molecular weight:389.41.
It is soluble in purified water and aqueous polyol solutions. Seal and store under low temperature, protected from light and moisture to avoid peptide hydrolysis and activity loss.
What is Tetr…