TB500 peptide raw powder material in Stock 5mg 10mg 15mg 20mg
TDS 34 Inquiries
885340-08-9
Pharmaceutical Grade
99%
Shnaghai
Lianyi
5mg 10mg 15mg 20mg 30mg 50/60mg per vial; 10vials/box
Yes
2025-10-24
Tirzepatide,Semaglutide,Retatrutide
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Product Details
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Seller Information
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Inquiry History
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DescriptionECHEMI Editorial ReferenceTB 500 is a synthetically made version of TB4 that facilitates healing and recovery by helping build new blood vessels, muscle tissue fibers, blood cells, and facilitating cell migration. It acts on the muscular system and has anabolic properties. TB 500 is used primarily for race animals (horses and dogs).Certificates
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TDS
Basic Info-
Product Name:
TB500
Other Name:TB500 fragment;L-Glutamine, N-acetyl-L-leucyl-L-lysyl-L-lysyl-L-threonyl-L-α-glutamyl-L-threonyl-;Thymosin Beta 4 Peptide Peptides Tb500 2mg/Vials 5mg/Vials;TB500 fragment acetate;TB500 Thymosin Beta 4 (TB4);Ac-LKKTETQ;Thymosin β4 TB500;TB500(Thymosin B4 AceTate) 5MG 10MG
CAS No.:885340-08-9
Molecular Formula:C38H68N10O14
InChIKeys:ADKDNDYYIZUVCZ-HLXZCORBNA-N
Molecular Weight:889.02
EC Number:232-660-2
Color/Form:White to Off-White
Categories:
Characteristics-
Density:
1.281±0.06 g/cm3(Predicted)
Boiling Point:1405.0±65.0 °C(Predicted)
PKA:3.20±0.10(Predicted)
Research-
Class:
Actin-sequestering protein / 43-amino-acid peptide
Status:Research compound — Not FDA approved (investigational: RGN-259 for dry eye / neurotrophic keratitis)
Mechanism:A naturally occurring 43-amino-acid peptide (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) that binds G-actin (sequesters monomeric actin), preventing F-actin polymerization. Promotes cell migration, angiogenesis, wound healing, and anti-inflammatory responses via integrin-linked kinase (ILK) and HIF-1α/VEGF pathways. TB-500 is the synthetic fragment Ac-LKKTETQ (MW ~895) often sold under this CAS.
Activity note:Thymosin Beta-4 is an actin-binding protein, not a receptor agonist. Functional activity is measured by actin sequestration (Kd ~0.7–1 μM) and cell migration assays, not EC₅₀.
Source:Goldstein AL, et al. Vitam Horm. 2003;66:257–296. RegeneRx RGN-259 clinical program.DOI
Clinical Development:
References-
DrugBank:PubChem:UNII:Disclaimer:
Thymosin Beta-4 (TB-500) is NOT FDA-approved for human therapeutic use. RGN-259 (Tβ4 ophthalmic solution) is an investigational drug not yet approved. TB-500 sold on research-chemical marketplaces is a synthetic fragment and is not an approved medicine. This listing is for industrial and laboratory research use only. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
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Seller Information
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Business Type:
Trader
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Main Products:
Tirzepatide,Semaglutide,Retatrutide
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Location:
Room 2012, No. 6-143, Section 2, Shanghai Road, Guta District, Jinzhou City, Liaoning Province
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Payment Terms:
TT against copy of documents
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Average lead Time:
2 days
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2024
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Inquiry History34 Inquiries
Country Product Purchase Quantity Date Posted
United Kingdom
TB-500
100 MG Oct 12, 2026
Morocco
PEPTIDES
100 MG Sep 16, 2026
Brazil
TB-500
1 G Jun 18, 2026
Canada
TB 500
1 KG May 8, 2026
Poland
Hot Selling N-Acetyl Semax 99% Petide powder NA-semax CAS 80714-61-0 Semax
300 MG Apr 29, 2026
United Kingdom
TB500(Thymosin B4 Acetate)
30 G Apr 22, 2026
Sweden
Retatrutide, MOTS-C, Semax, KLOW
1 MT Apr 13, 2026
United States
TB 500
150 MG Apr 8, 2026
United States
China Origin TB500 2mg/5mg/10mg Lyophilized Powder for the Wound Repair Research
1 G Mar 26, 2026
United States
TB-500
1 KG Mar 20, 2026
United States
TB 500 5mg
50 MT Mar 5, 2026
United States
TB500
100 MG Feb 27, 2026
United States
TB 500
20 G Feb 23, 2026
Brazil
alejandro
300 PCS Feb 19, 2026
United States
IGF-1 LR3 TB500 Thymosin Alpha-1
10 20' Fcl Feb 16, 2026
Germany
TB 500
1 KG Feb 8, 2026
Germany
TB 500
500 MG Jan 28, 2026
United States
TB-500
100 PCS Dec 11, 2025
United States
TB 500
20 PCS Nov 19, 2025
United States
TB500 10mg
1 MT Oct 20, 2025 Post an enquiry for this product
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