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TB-500

TB-500

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Certificate of analysis for TB-500, opens in a new tab

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Lab testedIndependent US lab
99.16%HPLC verified
2 Day ShippingFrom the USA, tracked
PassedSterility & endotoxin
PassedIdentity & purity, 99.16%

About TB-500

TB-500 is a synthetic peptide corresponding to the actin-binding region of Thymosin Beta-4. In laboratory settings it is studied for its role in actin sequestration and cytoskeletal dynamics, and for its influence on cell migration and endothelial tube formation in in vitro models.

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Verified test results

Every lot, independently tested.

This lot of TB-500 was analysed by Freedom Diagnostics, an independent third-party laboratory, before it shipped. The figures below are the released report, exactly as the lab signed it.

Freedom DiagnosticsIndependent third-party laboratory

Certificate of analysis

99.16%

Purity by HPLC-UV

Lot
RL-TB-0826
Tested
Sep 2, 2026
Labeled
10mg
Measured
9.21 mg

Owned and operated in the USA7 assays

View the signed certificate
Full QC panel4 passed · 3 reported
  • PurityHPLC-UV99.16%Reported
  • IdentityLC-MSThymosin Beta-4Pass
  • Net contentMeasured against the label9.21 mgReported
  • AppearanceVisualWhite lyophilized powderReported
  • EndotoxinLAL, USP <85>PassPass
  • MicrobialPCRPassPass
  • Fentanyl screenImmunoassayNo fentanyl detectedPass

Purity by HPLC-UV, identity by LC-MS, endotoxin by LAL to USP <85>, microbial by PCR. Reported Sep 2, 2026, received Aug 31, 2026.

Every lot on record

Open any lot's signed certificate. Your order ships with the report for the lot you receive.

TB-500 10mgLot RL-TB-0826
Latest

99.16%HPLC-UV purity

Labeled10mgMeasured9.21 mg−7.9%

  • IdentityThymosin Beta-4
  • EndotoxinPass
  • MicrobialPass
  • FentanylNone detected

AppearanceWhite lyophilized powder

Tested Sep 2, 2026 · 7 assays

View certificate

All products are sold for laboratory, in vitro research use only. Not for human or veterinary use, and not for use in food, drugs, cosmetics or medical devices.