What is TB500 used for?

TB500 is a synthetic peptide compound studied in laboratory research settings. Scientific literature has explored its properties in preclinical studies. It is not approved for human consumption.

What purity level does Black Series Lab's TB500 have?

Black Series Lab supplies TB500 at ≥99% purity, verified by third-party HPLC and mass spectrometry analysis. Certificates of Analysis are available upon request.

How is TB500 supplied?

TB500 is supplied as a lyophilized powder in sealed research-grade vials, intended for in vitro and laboratory research use only.

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Healing

PURITY

≥99.5% HPLC

STORAGE

−20°C · Lyophilized

TB500

Name: TB500
Brand: Black Series Lab
SKU: BSL-TB500

TISSUE RESEARCH

CAS77591-33-4MW4963.5 g/molFORMULAC₂₁₂H₃₅₀N₅₆O₇₈SCATEGORYHealing

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PRICE

$62.50/ VIAL

QUANTITY

FOR IN VITRO LABORATORY RESEARCH ONLY. NOT FOR HUMAN OR VETERINARY USE. NOT INTENDED TO DIAGNOSE, TREAT, CURE, OR PREVENT ANY DISEASE. NOT EVALUATED BY THE FDA. PURCHASER MUST BE 21 OR OLDER.

What is TB-500?

TB-500 (Thymosin Beta-4 Fragment) is a synthetic 43-amino acid peptide representing the active region of the naturally occurring Thymosin Beta-4 protein. With the molecular formula C₂₁₂H₃₅₀N₅₆O₇₈S and a molecular weight of 4963.5 g/mol (CAS: 77591-33-4), TB-500 is the research designation for the peptide fragment containing the primary bioactive sequence of the parent protein.

Amino Acid Sequence:

Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH

Classification: Actin-Binding Peptide FragmentActin CytoskeletonG-Actin Binding

Specifications

CAS Number	77591-33-4
Molecular Formula	C212H350N56O78S
Molecular Weight	4963.5 g/mol
Purity	≥99.5% (HPLC verified)
Form	Lyophilized powder
Storage	−20°C · Lyophilized
Shipping	Insulated protective packaging

Mechanism of Action

Actin Cytoskeleton

G-actin sequestration

TB-500 binds to monomeric G-actin, regulating actin polymerization and cytoskeletal dynamics in cell culture models.

Cell Migration

Integrin signaling

Published studies demonstrate effects on cell motility through interactions with integrin receptors and focal adhesion dynamics.

Storage & Handling

Temperature:-20°C for long-term storage

Light Sensitivity:Protect from direct light

Stability Duration:Stable for 24 months when stored properly

Store the lyophilized powder sealed at −20°C, protected from light and moisture, and minimize temperature fluctuations to preserve compound integrity during long-term storage.

Related Compounds

BPC-157 GHK-Cu Thymosin Alpha-1

Research Use Only

All compounds are sold strictly for laboratory research use. Not for human or animal consumption. These products are not drugs, supplements, or food. Statements have not been evaluated by the FDA. Must be 21+ to purchase. This compound is intended exclusively for in vitro laboratory research. Not for human or veterinary use. Not intended to diagnose, treat, cure, or prevent any disease.

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