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BPC-157 vs TB-500
BPC-157 and TB-500 are unrelated sequences: BPC-157 is a 15-residue synthetic peptide with free ends, and TB-500 is the acetylated 7-residue fragment 17–23 of thymosin β4.
| BPC-157 | TB-500 | |
|---|---|---|
| Also known as | Bepecin, PL 14736, PLD-116 | TB500, Ac-LKKTETQ, Thymosin β4 (17–23), N-acetyl |
| Compound type | Pentadecapeptide · 15 aa | Heptapeptide · 7 aa |
| Sequence | Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val | Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH |
| Molecular formula | C62H98N16O22 | C38H68N10O14 |
| Molecular weight | 1419.5 g/mol | 889.0 g/mol |
| CAS number | 137525-51-0 | 885340-08-9 |
| PubChem CID | 9941957 | 62707662 |
| Form | Lyophilized powder | Lyophilized powder |
| Sizes | 5 mg and 10 mg | 5 mg and 10 mg |
| Price | from $49.00 | from $52.00 |
| Lab report | Published on the product page | Not yet (supplier's spec) |
Where they differ
- BPC-157 has 15 residues and TB-500 has 7.
- The N-terminus is a free amine in BPC-157 and acetylated (Ac-) in TB-500.
- Molecular formulas: BPC-157 C62H98N16O22, TB-500 C38H68N10O14.
- Molecular weights: BPC-157 1419.5 g/mol, TB-500 889.0 g/mol.
Tested 99.8%BPC-157
Pentadecapeptide · 15 aa
5 mg10 mg
from $49.00
$8.40/mg at 10 mg
In stock
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TB-500
Heptapeptide · 7 aa
5 mg10 mg
from $52.00
$8.40/mg at 10 mg
In stock
View →
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