Single compound · Lyophilised powder
In stock · On sale
TB-500
All Products listed on this site are for research purposes only
TB-500: Synthetic acetylated heptapeptide (7 residues). Sequence or structure: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln.
- Third-party tested, then tested again by us
- Lot-traceable, third-party tested
- 99%+ purity, documented, or it does not ship
- Plain, discreet packaging
What it is
TB-500 10 mg. Synthetic acetylated heptapeptide (7 residues). Technical data for laboratory research use.
| Compound | TB-500 |
|---|---|
| Also known as | Thymosin β4 fragment 17-23 |
| Class | Synthetic acetylated heptapeptide (7 residues) |
| Sequence | Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln |
| Molecular formula | C38H68N10O14 |
| Molecular weight | 889.0 g/mol |
| CAS number | 885340-08-9 |
| Purity specification | ≥99% by HPLC; identity by mass spectrometry |
| Current lot result | 99.268% by HPLC (Certificate of Analysis 2603300044) |
| Form | White lyophilised powder, 10 mg per sealed vial |
| Storage | Store the sealed vial at -20 °C, protected from light and moisture. Short-term storage at 2 to 8 °C is acceptable. Allow the vial to reach room temperature before opening to prevent condensation. |
For laboratory research use only. Not for human or veterinary use. All Products listed on this site are for research purposes only. Not a drug, supplement, or food.
Specifications
- Form
- Lyophilised powder
- Purity
- 99%+, verified by HPLC
- Identity
- Confirmed by mass spectrometry
- Presentation
- 10 mg
- Storage
- Store lyophilised at −20°C, protected from light.
- Dispatch
- Within two business days of ordering.
- Catalogue no.
- AA-TB500-10
For laboratory research use only. Not for human or veterinary use. Not a drug, supplement, or food. By ordering you confirm you are 21 or older and qualified to handle research chemicals.
Tested before it’s listed
This lot’s certificate
- Compound
- TB-500
- Purity (HPLC)
- 99.268%
- Identity (MS)
- Thymosin Beta-4
- Appearance
- White lyophilised powder
- Lot
- AA-RET-0201
- Certificate no.
- 2603300044
- Tested by
- Freedom Diagnostics
- Reported
- 31 March 2026
- Method
- HPLC with UV detection, coupled with mass spectrometry
The certificate itself is linked below, is in the product images above, and a copy ships with the vial.
Every lot goes to an independent laboratory before it reaches us, and we test it again when it arrives. Two results have to agree before a compound earns a listing. The paperwork belongs to the exact lot supplied, not to a representative batch from an earlier run.
- Certificate of Analysis: TB-500 10 mg View COA Download PDF
Buy more, pay less
Buy more, pay less
| Quantity | Per unit |
|---|---|
| Buy 3 - 4 | 10% off |
| Buy 5 - 9 | 15% off |
| Buy 10 or above | 20% off |
Applied automatically at checkout.
The kits
Multi-compound research kits.
Each kit groups compounds supplied as separate sealed vials, priced below the sum of their parts, so every compound keeps its own lot number.