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Substance Name: Thymosin beta-4
RN: 77642-24-1
UNII: 549LM7U24W


  • Biological active peptide present in thymosin fractions 5 & 5A; participates in the regulation, differentiation & function of thymus-derived lymphocytes & may also act directly or indirectly on macrophages & other cells involved in cell-mediated immunity; complete amino acid sequence of cpd has been established.
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Names and Synonyms

Name of Substance

  • Thymosin beta-4


  • Thymosin beta 4
  • Thymosin beta-4
  • Thymosin beta4
  • Thymosin beta4 (cattle)
  • Thymosin beta4 (human)
  • UNII-549LM7U24W

Registry Numbers

CAS Registry Number

  • 77642-24-1


  • 549LM7U24W

System Generated Number

  • 0077642241