1. Core Product Specifications

Product Name: Selank
Chinese Name: Cognitive Peptide, Anti-Anxiety Peptide
Alias: TP-7, Tuftsin Peptide Derivative
CAS No.: 129954-34-3
Amino Acid Sequence: Thr-Lys-Pro-Arg-Pro-Gly-Pro (TKPRPGP)
Peptide Type: Synthetic heptapeptide, neuromodulatory peptide, anti-anxiety & anti-stress peptide, cognitive-enhancing peptide, neuropharmacology research reagent
Molecular Formula: C??H??N??O?
Molecular Weight: 751.87 Da
Appearance: White to off-white lyophilized crystalline powder, uniform loose texture, non-caking, odorless with ultra-low impurities
Purity: ≥98.0% (HPLC, research grade)
Form: Free peptide / Customizable salt form
Moisture Content: ≤2.0%
Heavy Metals: ≤10ppm
Endotoxin: ≤0.1EU/mg
Residue on Ignition: ≤0.1%
Solubility: Freely soluble in sterile pure water, normal saline and various aqueous buffer systems, forming clear, transparent and stable solutions without precipitation or turbidity
Transport Condition: Sealed and light-proof transportation at room temperature
Storage Condition: Long-term storage of dry powder at -20℃ in sealed, dry and dark environment; short-term temporary storage at 2–8℃; dissolved solutions must be aliquoted and frozen. Strictly avoid repeated freeze-thaw cycles to prevent activity loss
Production Technology: Standard solid-phase peptide synthesis (SPPS), full-length heptapeptide precise assembly, multi-stage high-precision HPLC purification, low-temperature vacuum freeze-drying activity locking technology
Core Bioactivity: Anti-anxiety, anti-stress, mood regulation, memory and cognitive improvement, central nervous homeostasis modulation, immune regulation, neuro-fatigue relief
Shelf Life: 24 months for sealed dry powder stored at -20℃ under standard conditions
Usage Restriction: For scientific research, neuropharmacological experiments and preclinical drug development only. Strictly prohibited for human clinical treatment, health care and illegal use