Description
TB-500 (Thymosin β4 fragment) (10 mg) is supplied as a lyophilized powder in a Type I borosilicate glass vial sealed under vacuum. TB-500 is a lyophilized synthetic peptide fragment of Thymosin β4, studied in-vitro for actin-sequestering and cellular-migration research.
Molecular formula C₂₁₂H₃₅₀N₅₆O₇₈S, molecular weight 4,963.4 g/mol, sequence length 43 amino acids (CAS 77591-33-4).
Every production lot is synthesized in a validated cGMP-grade research facility and independently assayed by accredited third-party analytical laboratories using reverse-phase HPLC and mass spectrometry. Each vial is verified to ≥99.0% purity and shipped with a certificate of analysis tied to the unique vial code printed on the label.
Research Use Only. This product is sold strictly as a research chemical for in-vitro laboratory study by qualified researchers and institutional laboratories. Not for human consumption, therapeutic use, or administration of any kind. Not a drug, food, cosmetic, or dietary supplement.



