This category collects synthetic peptides associated by name with thymic peptide preparations, together with any non-peptide reference material the catalogue assigns to the same group. Because residue counts, terminal groups and stereochemistry differ widely between entries, the expected molecular weight, HPLC retention and mass-spectrometry signature differ markedly too; each product page therefore states the formula, average molecular weight and sequence individually rather than by family. Compounds are supplied as lyophilized powder in sealed vials at the nominal quantity printed on the label.
Listed here: Epithalon, NAD+, Thymosin Alpha-1, Glutathione, FOXO4-DRI, Thymulin, Livagen (10mg, 500mg, 1200mg, 1000mg, 20mg). Each product page lists the CAS number, molecular formula, molecular weight and, for peptides, the amino-acid sequence. Reported HPLC purity is shown per product; the HPLC and mass-spectrometry identity report is sent by email on request, before you order if you want to see it first.
Guides: Livagen Peptide (KEDA): Sequence, CAS, Molecular Weight and Mass Spec · NAD+ (Nadide): CAS 53-84-9, Structure Beside NADH and NADP+, and Free Acid vs Sodium Salt · Peptide Registry Records: When PubChem, CAS and a Listing Disagree · Peptide Sciences Shut Down (March 2026): Status and Listings · Is Thymosin Alpha-1 the Same as TB-500 or Thymulin? Sequences, CAS Records and Salt Form · Peptide Sequence Notation: One-Letter and Three-Letter Codes, Termini and Modified Residues · TFA vs Acetate Peptide Salts: Counter-Ion by Compound and What It Adds to the Mass
Frequently asked questions
Which compounds are listed in the thymic peptide category?
This category currently lists 7 compounds: Epithalon, NAD+, Thymosin Alpha-1, Glutathione, FOXO4-DRI, Thymulin and Livagen, each supplied as lyophilized powder in a sealed vial at the nominal quantity printed on the label. Each product page states the CAS number, molecular formula and average molecular weight, the sequence where the entry is a peptide, the reported HPLC purity for the listing and, where a verified record exists, the structural class, residue count and typical salt form.
What do the thymic peptides have in common chemically?
Only a naming convention: the category collects synthetic peptides associated by name with thymic peptide preparations, together with any non-peptide reference material the catalogue assigns to the same group. Residue counts, terminal groups and stereochemistry differ from entry to entry, so the expected molecular weight, HPLC retention and mass-spectrometry signature differ markedly between listings. Each product page therefore states the formula, average molecular weight and sequence individually, and peptide sequence notation explains the termini and modified residues that appear on them. The CAS numbers and molecular weights table lists every catalog entry.
Are thymosin alpha-1, TB-500 and thymulin the same compound?
No. They are three different sequences that share only a naming convention. Thymosin alpha-1 is a 28-residue N-acetylated peptide (C129H215N33O55, 3108.3 Da); thymulin is a nonapeptide with an N-terminal pyroglutamate residue, listed in its metal-free form (858.86 Da); TB-500 is the full-length 43-residue N-acetylated thymosin β4 sequence (4963.44 Da). Each has its own CAS number, formula and expected mass, and the thymosin alpha-1 guide sets the three side by side.