1. Core Product Specifications

Product Name: Semax
Chinese Name: Brain Peptide / Nao Li Peptide
Alias: ACTH (4-7) Peptide, Pro-Gly-Pro-ACTH Derivative
CAS No.: 80714-61-0
Amino Acid Sequence: H-Met-Glu-His-Phe-Pro-Gly-Pro-OH
Peptide Type: Synthetic neuroprotective peptide, cognitive-enhancing peptide, ACTH fragment analog, neurological research biochemical reagent
Molecular Formula: C??H??N?O??S
Molecular Weight: 813.92 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 / Trifluoroacetate salt (customizable)
Moisture Content: ≤2.0%
Heavy Metals: ≤10ppm
Endotoxin: ≤0.1EU/mg
Residue on Ignition: ≤0.1%
Solubility: Freely soluble in sterile water, normal saline and aqueous buffer solutions, forming clear, stable and precipitate-free solutions
Transport Condition: Room temperature sealed and light-proof transportation
Storage Condition: Long-term dry powder storage at -20℃ in sealed, dry and dark environment; short-term storage at 2–8℃ for 1–2 weeks. Aliquot dissolved solutions and strictly avoid repeated freeze-thaw cycles to prevent activity attenuation
Production Technology: Standard solid-phase peptide synthesis (SPPS), full-length 7-amino-acid precise assembly, chiral structure purification, multi-stage high-precision HPLC purification, low-temperature vacuum freeze-drying technology
Core Bioactivity: Neuroprotection, cognitive function improvement, anti-fatigue, neuronal damage repair, cerebral metabolism regulation, anti-oxidative stress in nerve tissue
Shelf Life: 24 months for sealed dry powder stored at -20℃ under standard conditions
Usage Restriction: For scientific research and preclinical neurological drug development only. Not for human clinical diagnosis, treatment or illegal application