For in-vitro research use only. Not for human consumption.
TB500 (FRAG)
TB500 (FRAG) is the short thymosin beta-4 active fragment SKU and is chemically distinct from full-length TB-500/TB-4 products.
TB500 (FRAG) definition
TB500 (FRAG) is the short thymosin beta-4 active fragment SKU and is chemically distinct from full-length TB-500/TB-4 products. TB-500 fragment 17-23, commonly represented as N-acetylated LKKTETQ.. Supplied by Nexus Laboratory for in-vitro research use only — not approved for human or veterinary therapeutic use.
- CAS
- N/A
- MW
- 889.02 g/mol
- Sequence
- 7 aa
- Half-life
- Not listed
- Formula
- C38H68N10O14
- Purity
- Not listed
- Form
- Lyophilized powder
- Class
- Thymosin beta-4 active fragment
Reconstitution calculator
Estimate vial concentration and aliquot volume from the selected vial mass, solvent volume, and target research amount.
Calculations are for lab planning only and do not replace the product COA, protocol requirements, or qualified professional review. Confirm solvent compatibility before use.
Compound details.
- Molecular Weight
- 889.02 g/mol
- Molecular Formula
- C38H68N10O14
- Class
- Thymosin beta-4 active fragment
- Physical Form
- Lyophilized powder
- Storage
- Store lyophilized material at -20C, desiccated and protected from light. After reconstitution, aliquot and avoid repeated freeze-thaw cycles.
Research context.
TB500 (FRAG) is studied in preclinical research models examining mechanisms relevant to the tissue repair, immune modulation, and recovery-oriented research peptides. category. All Nexus Laboratory batches are documented through HPLC purity verification, mass spectrometry identity confirmation, and endotoxin screening. Compounds are supplied strictly for in-vitro and analytical research use.
Verification standard.
Every Nexus Laboratory batch ships with a Certificate of Analysis documenting HPLC purity (target ≥98%), mass spectrometry identity (expected versus observed mass), and endotoxin screening — verified by third-party laboratory testing and publicly archived. Review Nexus lab verification.
TB500 (FRAG) is part of the Nexus Healing & Recovery catalog. Tissue repair, immune modulation, and recovery-oriented research peptides. Each listed variant is priced from the consolidated Nexus catalog and intended for qualified research use only.
TODO-COPY: replace with real compound-specific narrative.
The chemistry.
TB-500 fragment 17-23, commonly represented as N-acetylated LKKTETQ.
Storage: Store lyophilized material at -20C, desiccated and protected from light. After reconstitution, aliquot and avoid repeated freeze-thaw cycles.
Technical specifications.
- Product Name: TB500 (FRAG)
- Classification: Thymosin beta-4 active fragment
- Structural Description: TB-500 fragment 17-23, commonly represented as N-acetylated LKKTETQ.
- CAS Number: Not confirmed
- Molecular Weight: 889.02 g/mol
- Molecular Formula: C38H68N10O14
- Physical Form: Lyophilized powder
- Intended Use: In-vitro research use only - not for human consumption
HPLC trace preview.
Related research compounds
Same category, mechanism overlap, and common research stack pairings.
TB500 (FRAG) research FAQ.
What is TB500 (FRAG) used for in research?
TB500 (FRAG) is supplied for controlled in-vitro research workflows in the Healing & Recovery category. It is not labeled for human or veterinary use.
Is TB500 (FRAG) HPLC verified?
TB500 (FRAG) is listed with Nexus lab verification. Current catalog records show batch-specific purity context where batch COA data is available.
Which TB500 (FRAG) sizes are available?
Current Nexus variants include 10mg.
Does TB500 (FRAG) include a COA?
Yes. The current Nexus record links TB500 (FRAG) to batch NEX-TB500-FRAG-2026-0085.