Free, tracked US shipping over $199Third-party HPLC-MS testedPublished COA on every batchCold-chain protective packaging2–3 day US deliveryFor research use onlyFree, tracked US shipping over $199Third-party HPLC-MS testedPublished COA on every batchCold-chain protective packaging2–3 day US deliveryFor research use only
pepper.

Purity

99.87%

Method

HPLC-MS

Form

Lyophilized

Research PeptidesE5Preclinical only

TB-500

Research-market repair peptide fragment

99.87% HPLC-MSBatch PH-4201 In stock
$70per 5 mg vial

Vial strength

1
View purity report (COA)Ships in 1 business day

Usually represented as the actin-binding LKKTETQ region of thymosin beta 4, although vendor naming and sequence identity vary. Proposed migration and repair effects are extrapolated from full-length Tβ4 and fragment…

Specifications

Compound class
Research-market repair peptide fragment
Sequence
Often represented as LKKTETQ, but marketed identity is inconsistent
Chain length
Usually 7 aa when defined as fragment
Physical form
Lyophilized powder
Modifications
Fragment, salt and terminal chemistry vary
Reported half-life
Unknown in humans
Verified purity
99.87% (HPLC-MS)
Evidence grade
E5 — Preclinical only
Read the full monograph in the Peptide Atlas

Research use only. All products sold on this website are intended for laboratory research and in-vitro experimentation only. They are not drugs, foods, cosmetics, or medical devices, and are not intended to diagnose, treat, cure, or prevent any disease. Nothing on this site should be construed as medical advice, dosing, or administration guidance. Purchasers must be qualified researchers or institutions and are solely responsible for lawful handling and use.

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