Identity-sensitive peptide / Material & research guide
TB500(Thymosin B4 Acetate)
TB-500 is a catalog name that must be tied to a specific sequence. Literature on full-length thymosin beta-4 does not automatically describe every product called TB-500.
Catalog specification — select for your inquirySelected: 2 mg × 10 vials
Nominal catalog options, not a live availability guarantee. Final supply is confirmed in the written quotation.
Material profile
About the material
TB-500 is a catalog name that must be tied to a specific sequence. Literature on full-length thymosin beta-4 does not automatically describe every product called TB-500.
For TB500(Thymosin B4 Acetate), the useful starting point is the material identity—not the broad research category. Compare the complete name and supplied form with the reference used by your laboratory.
Request the actual sequence, residue count and terminal modifications before accepting a quote. Resolve whether the supplied material is full-length thymosin beta-4 or a fragment.
Scientific context
Research context
Thymosin beta-4 is studied in actin-related cell biology. A full-length peptide and a shorter fragment cannot be assumed to share the same identity or analytical specification.
How profilin promotes actin filament assembly in the presence of thymosin beta 4.
Cell · 1993 · PMID 8252614
This reference concerns thymosin beta-4. It is background for identity review, not confirmation that a TB-500 catalog material has the same sequence.
Read the primary publication ↗Thymosin beta 4 and Fx, an actin-sequestering peptide, are indistinguishable.
The Journal of biological chemistry · 1991 · PMID 1999398
This reference concerns thymosin beta-4. It is background for identity review, not confirmation that a TB-500 catalog material has the same sequence.
Read the primary publication ↗For laboratory research use only. Not for human or veterinary use, diagnosis or therapeutic application. No administration or dosing protocol is provided.
Catalog & quotation
Specifications
| Catalog material | TB500(Thymosin B4 Acetate) |
|---|---|
| Material class | Identity-sensitive peptide |
| Listed options | 2 mg × 10 vials 5 mg × 10 vials 10 mg × 10 vials |
| Identity / supplied form | Request the actual sequence, residue count and terminal modifications before accepting a quote. Resolve whether the supplied material is full-length thymosin beta-4 or a fragment. |
| Identity, purity and content | Request the method, acceptance specification and lot-specific results. Chromatographic purity and net material content are separate measurements. |
| Storage / stability | Follow the written instructions for the actual material and batch. No universal 24-month shelf life or solution stability is assumed. |
Evidence for the offered material
Documents
Confirm document availability for the actual material and lot. A catalog purity target or packaging label is not a released batch result.
Request the actual sequence, residue count and terminal modifications before accepting a quote. Resolve whether the supplied material is full-length thymosin beta-4 or a fragment.
Ask which tests and underlying files are available, what each result measures and which batch it covers. Do not infer a test result from an image or badge.
Match product name, selected specification, lot reference and packaging to the quotation. Ask about any difference before confirming supply.
Before you inquire
Questions
Does TB-500 always mean full-length thymosin beta-4?
Request the actual sequence, residue count and terminal modifications before accepting a quote. Resolve whether the supplied material is full-length thymosin beta-4 or a fragment.
What should my TB500(Thymosin B4 Acetate) inquiry include?
Include the exact material name, the catalog option or required specification, quantity, destination and any documents needed before quotation. Keep nominal amount per container separate from the number of containers.
Does the catalog image confirm the selected specification?
No. It is a catalog illustration. The image may show one variant while the selector lists other options. Use the written quotation and matching batch documents to confirm supply.
Does a paper or an existing report validate every future batch?
No. A paper describes its studied material and model. An analytical report describes a named sample. Confirm the connection between any report and the lot offered for your order.
Catalog content reviewed 26 September 2026. Listed options are from this site's product records. Scientific sources, where shown, describe research context, not batch certification.
Build your TB500(Thymosin B4 Acetate) inquiry.
Include the material, amount and evidence your laboratory needs to review.