TB-500 (Thymosin Beta 4 Fragment 17-23) Acetate – Spray, 50mg (500mcg/spray)

TB-500 (Thymosin Beta 4 Fragment 17-23) Acetate – Spray, 50mg (500mcg/spray)


  • Batch and lot coded with publicly visible lab reports to ensure quality and transparency.
  • Less than 10% variance in concentration, guaranteeing consistency.
  • Formulated and packaged to prevent evaporation in storage.
  • Includes spray pump for precise output of 0.1mL to 0.13mL.
  • Glass bottle with UV resistance to minimize degradation.
  • Tamper-proof seal to ensure safety in transit.

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Lab Reports
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Return or exchange your unopened product within 30 days no questions asked. If you are unsatisfied with your product we will issue a full refund. If you need to make a return the process is simple, straightforward and tracked. Our checkout is SSL encrypted and completely secure. Order today and we will ship the very same day, every business day. Our products are verified by independent third party laboratories to meet quality standards. All product batches and lots are assigned unique identifiers and tied to publicly posted lab reports.

Data Sheet

TB-500 (Thymosin Beta 4 Fragment 17-23) Acetate – Spray, 50mg (500mcg/spray)

Application Binds G-actin but not F-actin, escapes X inactivation and has a homolog on chromosome Y
CAS 77591-33-4
Molar Mass 4963 g/mol
Chemical Formula C212H350N56O78S
Amino Acid Sequence Ac-LKKTETQ-OH
Synonyms Thymosin beta(4), 77591-33-4, Thymosin beta4, Fx Peptide, Thymosin beta4 (ox), Thymosin beta4 (human), Timbetasin, Thymosin ?4, Timbetasin [USAN], DTXSID70228259
Storage Store in refrigerator at 4°C, tightly sealed, away from heat, light and moisture.
Solubility Soluble in water
Organoleptic Profile Clear, colorless liquid
Physical Form Liquid, solved in Deionized Water (Type II), contains Acetate, BKC for stability purposes.
Specification TB-500 (TB-4 Fragment) concentration (per vial):
TB-500 (TB-4 Fragment) 50mg (5mg/mL) ±10%
BKC concentration for each variant (per vial):
BKC 1mg (0.1mg/mL) ±10%
Terms This material is sold for laboratory research use only. Terms of sale apply. Not for human consumption, nor medical, veterinary, or household uses. Please familiarize yourself with our Terms & Conditions prior to ordering.