⚠ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All information presented is for educational and research reference purposes only.
⚠ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All information presented is for educational and research reference purposes only.
Cellular Peptide
TB-500
- Thymosin Beta-4
- TB4
- Thymosin β4
A 43-amino acid synthetic fragment of thymosin beta-4 that regulates actin polymerization and promotes cell migration in preclinical research. Premium TB-500 Research Peptide from Bloom Labs Research.
$69.00
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Certificate of Analysis
Third Party Tested
- LATEST
- ISO 17025
- 7x TESTING
- Passed full QC Panel
Variant
TB500 5mg
Lot #
BL240513-01
Labeled
5mg
Actual
5.28mg
Tested
June 29th, 2026
Full QC Panel
7× tested
Purity (HPLC)
- 99.67%
Net Peptide Content
- 5.28mg
Identity (HPLC)
- TB500
HPLC Conformity
- KPV
Heavy Metals (ICP-MS)
- Not Detected
Sterility (PCR)
- No Growth
Endotoxin (USP )
- < 0.05 EU/mL
ISO/IEC 17025 Accredited
- LATEST
- ISO 17025
- 7x TESTING
- Passed full QC Panel
Variant
TB500 10mg
Lot #
BL240513-01
Labeled
10mg
Actual
10.88mg
Tested
June 29th, 2026
Full QC Panel
7× tested
Purity (HPLC)
- 99.301%
Net Peptide Content
- 10.88mg
Identity (HPLC)
- TB500
HPLC Conformity
Heavy Metals (ICP-MS)
- Not Detected
Sterility (PCR)
- No Growth
Endotoxin (USP )
- < 0.05 EU/mL
ISO/IEC 17025 Accredited
- LATEST
- ISO 17025
- 7x TESTING
- Passed full QC Panel
Variant
TB500 5mg
Lot #
BL240513-01
Labeled
5mg
Actual
5.28mg
Tested
June 29th, 2026
Full QC Panel
7× tested
Purity (HPLC)
- 99.67%
Net Peptide Content
- 5.28mg
Identity (HPLC)
- TB500
HPLC Conformity
- KPV
Heavy Metals (ICP-MS)
- Not Detected
Sterility (PCR)
- No Growth
Endotoxin (USP )
- < 0.05 EU/mL
ISO/IEC 17025 Accredited
- LATEST
- ISO 17025
- 7x TESTING
- Passed full QC Panel
Variant
TB500 10mg
Lot #
BL240513-01
Labeled
10mg
Actual
10.88mg
Tested
June 29th, 2026
Full QC Panel
7× tested
Purity (HPLC)
- 99.301%
Net Peptide Content
- 10.88mg
Identity (HPLC)
- TB500
HPLC Conformity
Heavy Metals (ICP-MS)
- Not Detected
Sterility (PCR)
- No Growth
Endotoxin (USP )
- < 0.05 EU/mL
ISO/IEC 17025 Accredited
compound information
Technical specifications
- Molecular Profile
TB-500
White to off-white lyophilized powder (cake)
type
Synthetic Peptide
CAS Number
77591-33-4
Molecular Weight
4,963.44 g/mol
Salt Form
Acetate
Molecular Formula
C₂₁₂H₃₅₀N₅₆O₇₈S
Appearance
White to off-white lyophilized powder (cake)
- Storage Requirements
Stability Information
Handle with care to maintain potency
Lyophilized (powder)
-20°C long-term
Short-term storage
2-8°C • use within 30 days
Reconstituted
Store away from light
Sources & References
Peer-reviewed research
- Wound healing / tissue repair
Thymosin beta4 accelerates wound healing
Year: 1999
PMID : 10469335
Journal of Investigative Dermatology
- Dermal healing / regenerative peptide
The regenerative peptide thymosin beta4 accelerates the rate of dermal healing
Year: 2012
PMID : 23050815
Annals of the New York Academy of Sciences
- Regeneration / tissue repair
Thymosin beta4: a multi-functional regenerative peptide
Year: 1999
PMID : 10469335
Journal of Investigative Dermatology
⚠
Important Research Notice
Not for human consumption. This product is sold exclusively for research and educational purposes. It is not intended to diagnose, treat, cure, or prevent any disease.
All clinical trial data and research findings presented on this page are sourced from peer-reviewed journals and official publications. They are provided for educational reference only and should not be interpreted as medical advice or product claims.
By purchasing this product, you confirm that you are a qualified researcher and will use it in accordance with all applicable laws and regulations.