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Lab tested99.4% pureTB-500 research vial
Thymosin Beta-4 Fragment

TB-500

CAS 77591-33-4Recovery & RepairThymosin Beta-4

A synthetic peptide based on thymosin β4, an actin-binding regulatory peptide. Investigated in cell-migration, angiogenesis and tissue-regeneration research models.

Dosage
Quantity
1
$37.99$7.60/mg
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Research use only. Sold strictly for laboratory and research use — not a drug, food, cosmetic, or supplement, and not for human or veterinary consumption.

Certificate of Analysis

Third-party tested · ISO/IEC 17025 accredited
LatestISO 170257× testing
99.4%
Purity
Passed full QC panel
VariantTB-500 5 mg
Lot #TB1001
Labeled5 mg
Actual5.21 mg
TestedMay 29, 2026
Full QC panel7× tested
Purity (HPLC)99.4%
Net peptide content5.21 mg
Identity (HPLC-MS)Confirmed
Heavy metals (ICP-MS)Not detected
Sterility (PCR)No growth
Endotoxin (LAL)< 0.5 EU/mg
LatestISO 170257× testing
99.4%
Purity
Passed full QC panel
VariantTB-500 10 mg
Lot #TB1002
Labeled10 mg
Actual10.27 mg
TestedMay 14, 2026
Full QC panel7× tested
Purity (HPLC)99.4%
Net peptide content10.27 mg
Identity (HPLC-MS)Confirmed
Heavy metals (ICP-MS)Not detected
Sterility (PCR)No growth
Endotoxin (LAL)< 0.5 EU/mg

Frequently researched together

Compounds commonly studied alongside TB-500.

Compound Information

Technical specifications
Molecular profile

What is TB-500?

A synthetic peptide based on thymosin β4, an actin-binding regulatory peptide. Investigated in cell-migration, angiogenesis and tissue-regeneration research models.

TypeSynthetic peptide
CAS number77591-33-4
Molecular weight4963.4 g/mol
Molecular formulaC212H350N56O78S
FormLyophilized powder
Read the full research: TB-500 (Thymosin β4 Fragment): Mechanism

Storage & Stability

Keep it research-grade
Avoid freeze/thaw cyclesProtect from lightKeep refrigerated
Lyophilized (powder)
−20°C · 24+ months
Reconstituted
2–8°C · ~4 weeks

Complete your order

Everything you need to reconstitute and run your research.

Alcohol Prep Pads
Sterile · box of 100
$9.99
Bacteriostatic Water
10 mL · for reconstitution
$10.99
Insulin Syringes
0.5 mL · 31G · box of 10
$19.99
Sterile Empty Vials
10 mL · pack of 5
$12.99

Disclaimer. This compound has not been evaluated by the FDA. It is not intended to diagnose, treat, cure, or prevent any disease, and is not a drug, food, cosmetic, or dietary supplement.

Terms of sale. By purchasing, you affirm that you are at least 21 and a qualified researcher (or acting on behalf of a qualified laboratory or institution). You assume full responsibility for safe handling, storage, use, and disposal in compliance with all applicable laws. Orders may be subject to verification; all sales are final.

TB-500$37.99