Product Name: Copper Peptide (GHK-Cu) Model NO.: 49557-75-7 Grade Standard: Cosmetic Grade Function: Anti-Wrinkle, Increase Skin Density Appearance: Blue Powder Product Description Copper peptide (GHK-Cu)1. CAS: 49557-75-7 2. MF: C14H24N6O4 3. MW: 340.54. Cosmetic grade: Anti-wrinkle, Increase skin density Product Data 1. Appearance: Blue powder 2. Water Content(Karl Fischer): ≤ 5.0% 3. Acetate Content(by HPLC): ≤ 15.0% 4. MS: 340.5± 1.0 5. Purity (by HPLC): ≥ 90.0% 6. pH: 5.5~7.5 Usage: For cosmetic. Increase skin density & Repair Skin Cells Packing: Plastic vial(dedicated for peptide packing) or glass vial, quantity according to customer's detail requirement. Storage: A cool(2~8 ° C) & dry place protected from light, keep package close when not in use.