Selank vs Semax
A factual side-by-side from public databases — chemical identity, literature volume, and attributed independent-test coverage. Not a recommendation; we don't rank one above the other.
| Selank | Semax | |
|---|---|---|
| Family | Nootropic & regulatory peptides | Nootropic & regulatory peptides |
| Research goals | Cognitive & mood | Cognitive & mood |
| Molecular formula | C33H57N11O9 | C37H51N9O10S |
| Molecular weight | 751.9 g/mol | 813.9 g/mol |
| CAS number | 129954-34-3 | 80714-61-0 |
| Regulatory status | Unknown | Unknown |
| Research references | 8 | 8 |
| Vendors independently tested | 0 | 0 |
| Best test score (Finnrick) | — | — |