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Research use only

All products sold by Kainos Aminos are intended strictly for laboratory research use. They are not for human or veterinary use, not for use in diagnostic or therapeutic procedures, and not for food or cosmetic use. These products have not been evaluated by the U.S. Food and Drug Administration. Not for human consumption.

© 2026 Kainos Aminos

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Catalog/TB-500
TB-500 5MG vial, photographed on a lacquer counter

Current lot

Pass

99.9%

Purity (Purity)

Net Peptide Content
null against null labelled
Identity (Matches reference standard)
confirmed by Matches reference standard
Appearance
not stated
Lot
Not stated
Laboratory
Analytical Formulations, Inc.
99.9%COA

Visual reference · selected vial 5MG

Actin-binding behavior defines this 43-residue synthetic fragment of thymosin beta-4, which influences cytoskeletal polymerization. Changes in cell migration, angiogenic signaling, and extracellular-matrix remodeling have been examined in preclinical models.

Thymosin beta-4 fragment

TB-500

Mass

Bundle & Save

1 vial$45/vial$45
MOST POPULAR✓3 vials$37/vial$111Save $24+ Free BAC Water
5 vials$35/vial$175Save $50+ Free BAC Water
STOCK UP10 vials$32/vial$320Save $130+ Free BAC Water+ Free Shipping

Order total

$111

3 × 5MG · $37/vial · 10 in stock

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  • + Free BAC Water

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  • Ships the same business dayPaid before 3:00 PM CST on a business day, it ships that day.
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Actin-binding behavior defines this 43-residue synthetic fragment of thymosin beta-4, which influences cytoskeletal polymerization. Changes in cell migration, angiogenic signaling, and extracellular-matrix remodeling have been examined in preclinical models.

Lot
Purity
99.9% current lot
Use
Research Use Only
3 × 5MG$111

The current lot.

The lot record shows what the laboratory measured, separately from what the label says.

Purity
99.9%
Identity
Matches reference standard
Reported
2026-01-14
Laboratory
Analytical Formulations, Inc.

Compound record.

CAS
77591-33-4
Molecular weight
4,963 Da
Amino acids
43
Form
Lyophilized research material
Storage
See the lot's handling statement
Reconstitution
Qualified laboratory SOP required

Literature.

References for this compound are being reviewed. We do not summarize research outcomes until the primary sources are linked and checked.

Research Use Only · Not for human consumption