TB-500, BT5/BT10/BT20, Thymosin B4 Acetate, 99% purity, home delivery, Made in China
1 Inquiries
107761-42-2
Pharmaceutical Grade
99%
shenzhen
KSD
10 mg/vial,10vial/kit
2026-09-06
Semaglutide
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Product Description
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Seller Information
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Inquiry History
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DescriptionAmyloid β-Peptide (1-42) human is a 42-amino acid peptide which plays a key role in the pathogenesis of Alzheimer disease.Basic Info
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Product Name:
Soybean Peptide
CAS No.:107761-42-2
Molecular Formula:C203H311N55O60S
Molecular Weight:4514.04000
Exact Mass:4511.27000
HScode:29332900
Categories:
Characteristics-
PSA:
1840.49000
XLogP3:1.35150
Storage Conditions:-20ºC
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.
Hazard IdentificationClassification of the substance or mixture
no data available
GHS label elements, including precautionary statements
Pictogram(s) no data available Signal word no data available
Hazard statement(s) no data available
Precautionary statement(s) Prevention no data available
Response no data available
Storage no data available
Disposal no data available
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Semaglutide
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Location:
Licheng District, Jinan City, Shandong Province
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Payment Terms:
100% TT in advance
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Average lead Time:
14
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Total Annual Revenue:
$5 million-$10 million
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Total Employees:
5-10
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Year of Establishment:
2026
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Certifications:
Retatrutide coa
">KSD -
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted
United States
TB500
1 G Jan 21, 2024 Post an enquiry for this product
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