Annals of the New York Academy of Sciences
Thymosin beta4 and cardiac repair
2010
Bock-Marquette I, Srivastava D, et al.
View sourceResearch use only
CoA
included
included
Cellular Peptide
TB-500
Thymosin Beta-4 fragmentTB4-FragAc-SDKP
A synthetic fragment of Thymosin Beta-4, the actin-sequestering protein studied in cell migration, angiogenesis, and wound-repair models across a wide range of preclinical literature.
Dosage
$56.99
$39.99
Quantity
1
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Certificate of Analysis
Third-party testedISO/IEC 17025 accredited
LatestISO 170257× testing
99.41%
Purity
✓ Passed full QC panel
- Variant
- TB-500 10mg
- Lot #
- HLX-T0088
- Labeled
- 10mg
- Actual
- 10.22mg
- Tested
- Jun 11, 2026
Full QC panel7× tested
- Purity (HPLC)99.41%✓
- Net Peptide Content10.22mg✓
- Identity (MS)TB-500✓
- HPLC Conformitymean 99.39%✓
- Heavy Metals (ICP-MS)Not Detected✓
- Sterility (PCR)No Growth✓
- Endotoxin (USP <85>)0.044 EU/mL✓
ISO/IEC 17025 accredited
Researchers also study
View all compoundsTechnical specifications
Compound information
Molecular profile
What is TB-500?
- Type
- Synthetic peptide fragment
- CAS Number
- 77591-33-4
- Molecular Weight
- 4963.4 g/mol
- Amino Acids
- 43
- Sequence
- LKKTETQ (active core)
- Formula
- C212H350N56O78S
Storage requirements
Stability information
Highly water solubleProtect from lightAvoid freeze-thaw cycles
Lyophilized (powder)
-20°C
Reconstituted
2–8°C
Shelf life
36 months lyophilized
Ships at ambient temperature — lyophilized material is stable in transit without cold-chain handling.
Peer-reviewed research
Sources & references
Published literature involving TB-500. Listed for reference only — citation here is not a claim of efficacy or a recommendation of any use.
Nature
Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair
2004·PMID: 15565175
Bock-Marquette I, Saxena A, White MD, et al.
View sourceExpert Opinion on Biological Therapy
Thymosin beta4: a multi-functional regenerative peptide
2015
Goldstein AL, Kleinman HK
View sourceJournal of Cell Science
Thymosin beta4 and actin sequestration in cell motility
2012
View sourceResearch use only
TB-500 is supplied strictly for in-vitro laboratory research. It is not a drug, food, or cosmetic, is not for human or veterinary use, and has not been evaluated by the U.S. Food and Drug Administration. Purchaser assumes all responsibility for safe handling and lawful use.