Selank

I. Basic Chemical Identification

• Common Name: Selank
• Amino Acid Sequence: Ser-Gly-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr-Ser-Cys (cyclic tetradecapeptide, linked by disulfide bond)
• CAS Registry Number: 120285-10-7
• Molecular Weight: 1575.83 Da
• Molecular Formula: C₆₇H₉₈N₁₈O₁₉S₂

II. Key Physicochemical Properties

• Appearance: White to off-white loose powder, no visible foreign matter
• Solubility: Soluble in purified water and PBS buffer, slightly soluble in organic solvents
• Stability: Stable in a dark, sealed and dry environment; long-term storage is recommended at -20℃ frozen

III. Synthesis & Quality Standards

Synthesis Process: Adopting standard Fmoc Solid-Phase Peptide Synthesis (SPPS) with mature and controllable process, accurately constructing the disulfide bond structure

• HPLC Purity: ≥98.0% (≥99.0% for research grade)
• Key Indicators: Qualified amino acid composition, moisture ≤10.0%, heavy metal (Pb) ≤10 ppm

IV. Storage & Transportation Requirements

• Packaging: Sealed packaging with built-in desiccant.
• Storage: Frozen at -20℃, protected from light and moisture, avoiding high temperature and repeated freeze-thaw
• Transportation: General cargo channel, properly insulated to avoid packaging damage

V. Applications & Specifications

• Main Applications: Life science research; R&D of fine chemical intermediates
• Specifications: Marked "For Research/Chemical Raw Material Use Only", complying with relevant industrial standards