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FOR RESEARCH USE ONLY. This compound is not FDA approved. All data presented is from clinical trials for educational reference.

TB-500
8x tested · ISO 1702599%+ purity

Cellular Peptide

TB-500

A 43-amino acid synthetic fragment of thymosin beta-4 that regulates actin polymerization and promotes cell migration in preclinical research. Premium Research Peptide.

$39.99$25.99
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TB-500$39.99$25.99

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40% off from 10 units per product, 50% off from 50 + free 2-day signed delivery.

Verified Test Results

Every batch, independently verified.

Each batch is analyzed by an ISO/IEC 17025 accredited third-party laboratory before it ships. This is the released report for the current batch, exactly as the lab signed it.

ILSILS LaboratoriesIndependent, ISO/IEC 17025 accredited

Certificate of Analysis

99.51%

Purity by HPLC

Lot
TB0002
Tested
Jul 30, 2026
Labeled
10mg
Measured
10.33mg
ISO 17025 Accredited8× Tested
View signed certificate (PDF)

Full QC panel

6 passed · 2 reported

Appearance

Visual

GoodPass

Purity

HPLC · spec ≥ 95%

99.51%Pass

Net Peptide Content

HPLC

10.33mgReported

Identity

HPLC

ConfirmedPass

Fentanyl Screen

Immunoassay

Not DetectedPass

Heavy Metals

ICP-MS

Not DetectedPass

Sterility

PCR

No GrowthPass

Endotoxin

USP <85>

0.097 EU/mLReported

Every batch on record

Open any lot's signed certificate. Your order ships with its own lot-specific report.

TB-500 10mg

Latest

LOT TB0002

99.51%

HPLC purity · meets spec

Labeled
10mg
Measured
10.33mg
Identity
Confirmed
Heavy metals
Not Detected
Sterility
No Growth
Endotoxin
0.097 EU/mL
Tested
Jul 30, 2026

8 assays passed · ILS Laboratories, ISO/IEC 17025 accredited

View certificate

TB-500 10mg

LOT TB0001

99.75%

HPLC purity · meets spec

Labeled
10mg
Measured
10.40mg
Identity
TB-500
Heavy metals
Not Detected
Sterility
No Growth
Endotoxin
< 0.05 EU/mL
Tested
May 29, 2026

7 assays passed · ILS Laboratories, ISO/IEC 17025 accredited

View certificate

TB-500 10mg

LOT T0101

99.30%

HPLC purity · meets spec

Labeled
10mg
Measured
10.88mg
Tested
Feb 4, 2026
View certificate

Technical specifications

Compound Information

Molecular Profile

What Is TB-500?

Type
Endogenous peptide/synthetic analog
CAS Number
77591-33-4
Molecular Weight
4,963 Da
Amino Acids
43
Active Region
Ac-SDKP (N-terminal)
Key Sequence
17LKKTET22 (actin binding)
Expert Opin Biol Ther (2012)
Storage Requirements

Stability Information

Protect from lightStore desiccatedSterile handling
Lyophilized (powder)
stable long-term
Reconstituted
Recommended condition
Avoid
Repeated freeze-thaw cycles

Sealed lyophilized vials are heat-stable; refrigerating or freezing sealed vials is optional. 2-8°C applies to reconstituted solutions.

Peer-reviewed literature

The research behind this compound, cited in full.

Every research claim on this page traces back to one of the 10 publications below.

  1. 01Expert Opinion on Biological Therapy · 2012Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications
  2. 02Annals of the New York Academy of Sciences · 2010A randomized, placebo-controlled, single and multiple dose study of intravenous thymosin beta4 in healthy volunteers
  3. 03Journal of the Neurological Sciences · 2014A Dose Response Study of Thymosin β4 for the Treatment of Acute Stroke
  4. 04Journal of Investigative Dermatology · 1999Thymosin beta4 accelerates wound healing
  5. 05International Journal of Molecular Sciences (PMC) · 2021Progress on the Function and Application of Thymosin β4
  6. 06Nature · 2004Thymosin beta4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair
  7. Show all 10 references
    1. 07Clinical Ophthalmology · 2015Thymosin beta 4 ophthalmic solution for dry eye: a randomized, placebo-controlled, Phase II clinical trial
    2. 08Neuroscience · 2010Thymosin beta4 improves functional neurological outcome in a rat model of embolic stroke
    3. 09Journal of Neurosurgery · 2010Treatment of traumatic brain injury with thymosin beta4 in rats
    4. 10Nature · 2007Thymosin beta4 induces adult epicardial progenitor mobilization and neovascularization

Important research notice

Not for human, veterinary, or food use. 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.

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TB-500 | 99%+ Pure Peptide | Amino Club | Amino Club