⚠️ FOR RESEARCH PURPOSES ONLY — This compound is not FDA approved. All data presented is from clinical trials for educational reference.
TB-500
- Third Party Tested
- COA Available
$35.00 – $320.00Price range: $35.00 through $320.00
TB-500 (Thymosin Beta-4 Fragment) is a synthetic version of a naturally occurring peptide that plays a critical role in how cells move and repair themselves. It is a cornerstone reagent for researchers exploring wound healing, the formation of new blood vessels, and the structural dynamics of the cellular cytoskeleton.
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SKU
WOLV10-2122-1
Category Cyclic Peptides

Certificate of Analysis
Third Party Tested by Freedom Diagnostics
- Latest
99.89%
Purity
| Variant | TB-500 |
|---|---|
| Lot # | TB20-06 |
| Labeled | 20mg |
| Actual | 20.68 |
| Tested | Aug 18, 2026 |
99.84%
Purity
| Variant | TB500 |
|---|---|
| Lot # | TB500 |
| Labeled | 10mg |
| Actual | 10.26 |
| Tested | Aug 14, 2026 |
99.58%
Purity
| Variant | TB-500 |
|---|---|
| Lot # | TB10-08 |
| Labeled | 10mg |
| Actual | 10.58mg |
| Tested | Jul 8, 2026 |
99.87%
Purity
| Variant | TB-500 20mg |
|---|---|
| Lot # | TB20-5 |
| Labeled | 20mg |
| Actual | 21.43mg |
| Tested | May 10, 2026 |
99.85%
Purity
| Variant | TB-500 10mg |
|---|---|
| Lot # | TB10-07 |
| Labeled | 10mg |
| Actual | 10.5 |
| Tested | May 6, 2026 |

Compound Information
Technical specifications
- Molecular Profile
What Is TB-500?
| Type | Synthetic Peptide |
|---|---|
| CAS Number | 77591-33-4 |
| Molecular Weight | 4963.5 g/mol |
| Molecular Weight (Cu) | N/A |
| Amino Acids | 43 Amino Acids |
| Sequence | Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH |
| Formula | C212H350N56O78S |
- Storage Requirements
Stability Information
- High-purity synthetic cosmetic peptide
- Stable in lyophilized state
- Protect from moisture and direct UV exposure
Lyophilized Powder
−20°C
Reconstituted
2-8°C

About TB-500
Information
TB-500 (Thymosin Beta-4 Fragment) is a synthetic version of a naturally occurring peptide that plays a critical role in how cells move and repair themselves. It is a cornerstone reagent for researchers exploring wound healing, the formation of new blood vessels, and the structural dynamics of the cellular cytoskeleton.

Product
Specifications
| Molecular Formula | C212H350N56O78S |
|---|---|
| Molecular Weight | 4963.5g/mol |
| Sequence | Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser |
| Purity | ≥99% (HPLC verified) |
| Form | Lyophilized powder |
| Appearance | White to off-white powder |
| Solubility | Soluble in water, bacteriostatic water |
| Storage | -20°C (lyophilized), 2-8°C (reconstituted) |

FAQ
Frequently asked questions
What is the relationship between TB-500 and Thymosin Beta-4?
TB-500 is a synthetic peptide consisting of a 43-amino-acid sequence derived from naturally occurring Thymosin Beta-4.
What is the primary biological role of TB-500 in research?
It is primarily studied for its role in actin regulation, cytoskeletal organization, and cellular migration.
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