TB-500 (Thymosin β4 Fragment) is a synthetic peptide fragment corresponding to residues 17–23 of Thymosin Beta-4. This specification sheet provides reference information on product identity, molecular characteristics, quality specifications, storage, handling, and research applications.
Product Identification
Product Name: TB-500 (Thymosin β4 Fragment)
Alternative Name: Thymosin Beta-4 Fragment 17–23
Peptide Sequence: Ac-Leu-Lys-Lys-Thr-Glu-Thr-Gln-OH
One-Letter Sequence: Ac-LKKTETQ
CAS Number: 885340-08-9
Molecular Formula: C38H68N10O14
Molecular Weight: 889.01 g/mol
Peptide Length: 7 amino acid residues
Product Type: Synthetic peptide
Appearance: Lyophilized powder
Product Specifications
| Parameter | Specification |
|---|---|
| Identity | TB-500 / Thymosin β4 Fragment 17–23 |
| Sequence | Ac-LKKTETQ |
| Purity | Refer to lot-specific Certificate of Analysis (COA) |
| Molecular Weight | 889.01 g/mol |
| Molecular Formula | C38H68N10O14 |
| Physical Form | Lyophilized powder |
| Analytical Method | HPLC / MS, as applicable |
| Documentation | Lot-specific COA available |
| Intended Use | Research use only |
Quality Control
TB-500 (Thymosin β4 Fragment) is supplied with lot-specific quality documentation where applicable. Analytical testing may include HPLC for purity assessment and mass spectrometry for identity confirmation.
Because analytical results can vary by production batch, actual purity and test results should be verified using the Certificate of Analysis supplied for the specific lot.
Storage and Handling
Store TB-500 (Thymosin β4 Fragment) according to the storage conditions stated on the product label and lot-specific Certificate of Analysis.
For laboratory handling, minimize unnecessary exposure to moisture and repeated temperature fluctuations. Reconstituted peptide stability depends on solvent, concentration, temperature, and experimental conditions.
Always refer to the applicable product documentation before use.
Research Applications
TB-500 (Thymosin β4 Fragment) is supplied as a research material for laboratory and scientific research applications.
Researchers investigating Thymosin Beta-4 and related peptide fragments may use TB-500 as a reference or experimental research material where appropriate for their validated laboratory protocols.
Documentation
Lot-specific documentation may include:
- Certificate of Analysis (COA)
- HPLC analytical data
- Mass spectrometry data
- Product specification information
- Safety documentation, where applicable
For batch-specific analytical information, please request the Certificate of Analysis corresponding to the product lot.
Important Notice
This product is intended for research use only. It is not intended for human consumption, medical use, diagnostic use, or therapeutic use.
For product availability, documentation, bulk quantities, or technical inquiries, please visit the TB-500 product page or contact 52YM.
TB-500 Product Page:
https://52ym.com/products/tb-500-thymosin-4-fragment/#quote
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