Research chemical sequence
Thymosin Beta-4 (TB500)
Not yet released
Thymosin Beta-4 (TB500) is listed as a research chemical sequence.
Public identity
These are catalog record fields. Source corroboration has not been established; no lot measurement is inferred.
- Publication state
- Published
- Designation kind
- Registered
- Entity kind
- modified sequence
- Structure record (Approved structural locator)
- CAS: 77591-33-4 | RGN-259
- 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
- Molecular formula
- C212H350N56O78S
Acquisition
Check the signed certificate for a vial before you trust anything on this page, including this page.
- Price
- From $91.00
- Catalog specification
- 99.5%, verify the released lot
Size
- 10 mg $91.00 Not yet released
Not yet released
Release alert
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Analytical boundary
Catalog purity specification: 99.5%
No active-batch certificate of analysis is currently published.
Purity figures shown here are catalog specifications, not lot-specific measurements.
Evidence inventory
- Study records
- 372
- Study records, evidence-verified
- 21 (the stored extraction checked against its declared source; public summary fields may be withheld)
- Study records, citation-verified
- 242 (identifier confirmed at PubMed or Crossref and study type matched to the catalog’s source record; held as a citation, not evidence)
- Study records, identifier-confirmed
- 109 (identifier confirmed at PubMed or Crossref, a check of the identifier only; held as a citation, not evidence)
- Study records, citation-only
- 0 (no current confirmation of its identifier at PubMed or Crossref; held as a citation, not evidence)
Verified records by setting
- Human research: 18
- In vitro: 145
- In vivo/preclinical: 100
- Review/meta-analysis: 0
- Other: 0
These counts show how far the platform checked each linked record, never how strong the research is. No tier establishes efficacy, safety, or suitability.
Technical record
- CAS number
- 77591-33-4
- Molecular weight
- 4,963 Da
- Sequence class
- modified sequence
- Molecular formula
- C212H350N56O78S
- Appearance
- White to off-white lyophilized powder
- Solubility
- Freely soluble in water and aqueous buffers. Reconstitute in sterile water or bacteriostatic water to 1-5 mg/mL. Stable at neutral pH.
- Half-life record
- ~2–3 hours (plasma clearance). Source not on file: this is the record’s stated plasma half-life; no citation is recorded for it.
Recorded receptors
- Actin structural context
External literature records
Limitations and research boundary
External records are attributed references. Their presence does not convert a source-reported observation into a product claim.