≥ 99.5%
2 sizes
Longevity & Cognitive
Epithalon
10 mg · 50 mg
The longevity-research tetrapeptide classic
from$52 / vial
HPLC ≥ 99.2%MS verifiedEndotoxin screened
Research reference
Selank
Tuftsin analogue · Anxiolytic-model heptapeptide
Selank is a synthetic tuftsin analogue studied in anxiety, cognition and immune-modulation models. Supplied in 5 mg and 10 mg lyophilized research fills with ≥ 99.2% HPLC-verified purity.
- Purity ≥ 99.2% verified
- Behavioral-model research staple
- Sterile, endotoxin-screened
- Frequently paired with Semax references
$561
108 vials of 10 mg in current lot · ships in 24 h cold-chain
| Format | Lyophilized powder · 3 mL amber vial |
|---|---|
| Net content | 10 mg |
| Available sizes | 5 mg · 10 mg |
| CAS | 129954-34-3 |
| Sequence | TKPRPGP |
| Molar mass | 751.9 g/mol |
| Purity (HPLC) | ≥ 99.2% |
| Storage | Store at –20 °C. Protect from light. |
From the lab
Research notes
Background reading on the analysis behind Selank’s certificate.
Analytics
HPLC purity vs mass spec identity: what each assay actually proves
Purity and identity are different questions with different answers. Why a peptide needs both, what each instrument measures, and why one number cannot substitute for the other.
BuyingChoosing a fill size: 5 mg, 10 mg or 20 mg
Why the same compound is sold in several vial sizes, what changes between them beyond the label, and how to pick the format that fits your work.
Pairs well with
Related references
Back in stock≥ 99.0%