8 minBuying guideUpdated Sep 2026
Thymosin alpha-1: sequence, COA
The 28-residue N-acetylated thymic peptide: mass 3,108.3, not TB‑500, not thymalin, the 10 mg vial, the COA.
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Research peptide guides
What each compound is, how it is supplied (size, purity, batch COA), how to store it, and how to choose a supplier in the United States. Page 2 of 2.
Research use only. Not for human or veterinary use.
2 guides · page 2 of 2
7 minBuying guideUpdated Sep 2026
SS-31 (elamipretide): sequence, COA
The Szeto-Schiller tetrapeptide: two unnatural residues, mass 639.8, what a COA must show, the 10 mg vial.
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