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Tissue Repair Research

TB-500

Research compound · Lyophilized powder

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Product Information

Research-focused notes for TB-500, sourced from its live catalog record.

TB-500 Product Overview

A 43-amino acid synthetic fragment of thymosin beta-4 that regulates actin polymerization and promotes cell migration in preclinical research. Premium Research Peptide.

Also known as: Thymosin Beta-4, Tβ4, TB4, Thymosin β4.

For laboratory and research use only. Not for human or veterinary use. Not for diagnostic procedures. This product has not been evaluated by the FDA.

Certificate of Analysis

Third-party testedISO/IEC 17025 accredited

LatestISO 170257× testing

99.43%

Purity

Passed full QC panel

VariantTB-500 50 mg

Lot #PG-T5-1000

Labelled50 mg

Actual53.21mg

TestedJun 1, 2026

Full QC panel7× tested

Purity (HPLC)99.43%

Net peptide content53.21mg

Identity (LC-MS)TB-500

Heavy metals (ICP-MS)Not detected

Sterility (PCR)No growth

Endotoxin (USP <85>)< 0.05 EU/mL

ISO/IEC 17025 accredited

ISO 170258× testing

99.66%

Purity

Passed full QC panel

VariantTB-500 100 mg

Lot #PG-T5-1001

Labelled100 mg

Actual104.88mg

TestedApr 24, 2026

Full QC panel8× tested

Purity (HPLC)99.66%

Net peptide content104.88mg

Identity (LC-MS)TB-500

Heavy metals (ICP-MS)Not detected

Sterility (PCR)No growth

Endotoxin (USP <85>)< 0.05 EU/mL

ISO/IEC 17025 accredited

Batch certificates for selected vial sizes

Compound Information

Technical specifications

Molecular profile

What is TB-500

AppearanceLyophilized powder

CAS Number77591-33-4

Molecular WeightBatch-specific molecular weight verified on COA

Amino AcidsPeptide or analog composition varies by compound

SequenceIdentity confirmation supplied by HPLC / MS batch review

FormulaRepresentative formula documented with the lot record

Storage requirements

Stability Information

FormLyophilized powder

Lyophilized-20°C · stable

Reconstituted2-8°C · use within 30 days

HandlingProtect from light · Avoid repeated freeze-thaw

UseResearch purposes only

Purity≥99.5%

Product FAQ

TB-500 research questions

Concise answers generated from this product's current catalog description, variants, specifications, and handling data.

A 43-amino acid synthetic fragment of thymosin beta-4 that regulates actin polymerization and promotes cell migration in preclinical research. Premium Research Peptide.

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