TB-500
99.833%

TB-500

★★★★★★★★★★(122 reviews)
77591-33-4SYNTHETIC

$49.00

Buy more, save more

TB-500 is a synthetic fragment of thymosin beta-4 studied in laboratory models of cell migration, actin regulation, and tissue repair. Third-party tested by independent lab. Research use only.

TEST RESULTS · JANOSHIK ANALYTICAL
99.833% purity · tested 19 MAR 2026 · Verify COA #122550 ↗
Every key verifies live at janoshik.com. If a lot is not tested, no badge is shown — ever.
Est. delivery
3–5 business days
Tracking
Every order tracked
Dispatch
Within 24 hours
>99% Purity · Third-Party Tested · For Research Use Only. All products listed on this site are for in-vitro and laboratory research purposes only.

Researchers also viewed

TECHNICAL SPECS

The data your lab notebook needs.

Cross-check the batch ID on your vial against the certificate of analysis included with each shipment.

CompoundTB-500 (Thymosin β4)
Molecular weight4963.4 g/mol
CAS number77591-33-4
Sequence length43 amino acids
Purity99.833% (third-party verified)
FormLyophilized powder
SourceSynthetic
Storage−20°C, protect from light
SolubilityBacteriostatic water
Research useIn-vitro laboratory research only
COMMON QUESTIONS

Everything researchers ask before ordering.

How is purity verified?+

Every batch is independently tested by Janoshik Analytical via HPLC and LC-MS. Where shown, each certificate carries a verification key you can confirm yourself at janoshik.com. See our Lab Results page.

How fast does this ship?+

Orders are dispatched within 24 hours on business days in sealed, temperature-controlled packaging with tracking.

What is included with each vial?+

A lyophilized, sealed vial with a batch identifier that matches its certificate of analysis.

How should this be stored?+

Store lyophilized at −20°C, protected from light. Once in solution, refrigerate and use within the period appropriate to the compound.

What is your return policy?+

Due to the nature of research materials, all sales are final except for damaged, defective, or incorrect items reported within 48 hours of delivery. See our Refund & Return Policy.

Are these laboratory research materials?+

No. All products are strictly for in-vitro laboratory research by qualified researchers. See our Research Use Only Disclaimer.

FREE SHIPPING OVER $300 ×