- Vial lot
- TBS-2601
- Same lot as TB55-26001 on the certificate
- Tested
- Mar 22, 2026
- Labeled
- 5mg
- Measured
- 5.34mg
Akro2603200288freedomdiagnosticstesting.com
Image 1 of 5Research vials only. Discounts and Bundle & Save don't apply to Reconstitution Solution; Subscribe & Save 5% does.
Full termsOriginal laboratory certificate
Akro2603200288freedomdiagnosticstesting.comTB-500 is supplied as full-length thymosin beta-4 (Tβ4), a 43-amino-acid, N-acetylated peptide (C212H350N56O78S). Tβ4 was characterised biochemically as an actin-sequestering peptide1. Most published work on Tβ4 has been carried out in cell-culture and animal models. Supplied for in-vitro research use only.
Made in the USA
Storage Instructions
Storage: Store the sealed vial at −20 °C, protected from light and moisture. Move it to −20 °C on arrival. Shipping: Compounds are stable at ambient temperature for the days to weeks of normal transit, so cold-chain shipping isn't needed. Before opening: Let the sealed vial reach room temperature before opening to prevent condensation.
| Product Name | TB-500 |
|---|---|
| Format | Lyophilized powder |
| Sequence | Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES |
| Molecular Formula | C212H350N56O78S |
| Molecular Weight | 4,963.51 g/mol |
| CAS Number | 77591-33-4 |
| PubChem | CID 16132341 |
| Origin | Made in the USA |
| Intended Use | In-vitro research only; not for human or animal consumption. |
Thymosin beta 4 and Fx, an actin-sequestering peptide, are indistinguishable
Safer D, et al.·J Biol Chem·1991PMID 1999398
View on PubMedThe following references are provided for informational purposes and do not constitute medical advice. AKRO Research products are for research use only — not for human consumption.