Catalog/Cognitive
Cognitive
Semax + Selank
Heptapeptide pair, 20 mg
A two-heptapeptide cognitive reference pair sold as a single 20 mg research vial.
Sequence
- Hydrophobic
- Polar
- Charged
Research pair: ACTH(4–7) analog plus tuftsin analog
MEHFPGP+TKPRPGP
- CAS
- Blend
- Formula
- —
- Mass (g/mol)
- —
- Half-life
- Minutes; fragments persist
- Form
- Lyophilized blend
- Purity
- ≥98% HPLC (each)
Mechanism
Semax is an ACTH(4–7) analog with neurotrophic literature; Selank is tuftsin-derived with anxiolytic gene-expression work.
Research notes
Prefer separate COAs. Methionine in Semax is a storage liability.
Lyophilized: −20 °C. Protect from repeated warming.
Typical reconstitution
Catalog convenience numbers — not a protocol. Vial 20 mg in 2 mL; default draw 300 mcg.