Selank Raw Material

Product Name: Selank Raw Material

CAS No.: 129954-34-3

Document Version: V1.0

Application: For Laboratory Research Only

Date: 2026

1. Basic Chemical Information

2. Physical Characteristics

• Appearance: White to off-white lyophilized powder
• Odor: Odorless
• Solubility: Freely soluble in sterile purified water / neutral PBS (pH 6.5–8.0); soluble in DMSO; insoluble in non-polar organic solvents
• pH (1 mg/mL aqueous solution): 6.0 – 8.0
• Hygroscopicity: Moderately hygroscopic; avoid long exposure to air and high humidity

3. Quality Specification

4. Storage & Stability

Lyophilized Solid Powder

• Long-term storage: ≤ -80 ℃, sealed, dry, protected from light — Shelf life: 24 months
• Medium-term storage: -20 ℃, sealed & desiccated — Shelf life: 12 months
• Important: Avoid repeated freeze-thaw cycles

Reconstituted Aqueous Stock Solution

• -80 ℃: Stable up to 6 months
• -20 ℃: Stable up to 1 month
• Do not store aqueous solution at 4 ℃ or room temperature for extended periods

5. Stock Solution Preparation Guidance

Molecular Weight = 747.88

• 1 mM solution: 0.748 mg Selank per 1 mL solvent
• Recommended solvent: Sterile purified water or pH7.0–7.4 PBS buffer
  

  Suggestion: Prepare fresh working solution for in vivo experiments.

6. Safety & Handling Notes

• This synthetic peptide may irritate skin, eyes and respiratory tract.
• Required PPE: Lab coat, nitrile gloves, safety goggles.
• Prevent inhalation of powder dust and direct skin contact.
• Waste shall be disposed as chemical waste following local regulations.
• Disclaimer: THIS MATERIAL IS FOR LABORATORY RESEARCH ONLY. Not approved for human administration, clinical use or veterinary medication.

7. RP-HPLC Analytical Conditions

• Column: C18 analytical column (250×4.6 mm, 5 μm)
• Mobile Phase A: 0.1% TFA in Water
• Mobile Phase B: 0.1% TFA in Acetonitrile
• Detection wavelength: 220 nm / 280 nm
• Flow rate: 1.0 mL/min
• Column temperature: 30 ℃

**End of Document**