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bt 5

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Unit Price:

$91/UNIT FOB

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CAS No.:

885340-08-9

Grade:

Research Grade

Content:

99%

Port:

zhengzhou

Brand:

Packaging:

5mg / vial,10 vial / box

Price valid (until):

2026-10-01

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STARBEAUTY BIOTECH LIMITED

Company Type:

Trader

Location:

Hongkong, China

Qualification:

Main Products:

peptide,Cosmetics

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Description

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Product Details

Product Name: TB500
CAS No.: 885340-08-9
Purity: 99%
Grade: Research Grade
Appearance: White Lyophilized Powder
Form: Lyophilized Powder
Package: 5 mg × 10 Vials
Category: Biochemical Reagent
Application: For Research Use Only (RUO)
Manufacturer: Wanshun Peptide Biotech Co., Ltd.
Manufacturer Website: www.wanshunpeptide.com

Product Description

TB500 is a synthetic peptide supplied in a high-purity, white lyophilized powder form. It is manufactured and supplied by Wanshun Peptide Biotech Co., Ltd. for laboratory and biochemical research applications.

The product is designed for research and analytical purposes and is supplied in a convenient vial format for laboratory use. Appropriate storage and handling should follow the manufacturer's product specifications

Manufacturer Information

Company: Wanshun Peptide Biotech Co., Ltd.
Website: www.wanshunpeptide.com
Product Type: Peptide / Biochemical Reagent
Grade: Research Grade

Note: For Research Use Only. Not for human or veterinary use.

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Items Specifications

High Purity 99% purity

appearance white lyophilized powder

Packaging 5 mg / 10 vial

PTB‑500 is a high‑purity synthetic peptide fragment prepared as lyophilized powder for laboratory in‑vitro research only.
The product purity reaches ≥99% tested by HPLC. Each vial is vacuum‑sealed to maintain chemical stability.
This material is strictly limited to scientific laboratory experiments. It is not intended for human consumption, injection, clinical, cosmetic or food use.
Recommended storage condition: Store at ‑20°C, dry and dark environment.
Custom‑made packing service can be provided to meet different laboratory requirements.

ECHEMI Editorial Reference

TB 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).

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:
Biochemical Reagents

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:
NCT02974907; NCT02600429; NCT00376974

References

DrugBank:
DB04951

PubChem:
PubChem

UNII:
549LM7U24W

Literature:
PubMed: Goldstein AL et al. (2003) — Review; ClinicalTrials.gov: ARISE-1 (NCT02974907)

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.
Seller Information

Business Type:
Trader

Main Products:
peptide,Cosmetics

Location:
FLAT E19, 10/F, NO .52 HUNG TO ROAD, KWUN TONG HONG KONG

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
3

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
51-100

Year of Establishment:
2026

Introduction to Peptide Manufacturing Factory

Our peptide manufacturing factory is a professional, standardized and intelligent production base dedicated to the research, development and mass production of high-purity custom peptides and standard peptides. Adhering to strict pharmaceutical and biochemical production standards, we integrate independent R&D, precision production, rigorous quality testing and customized technical services, committing to providing high-quality peptide products and reliable solutions for global customers.

Equipped with advanced fully automated peptide synthesis production lines, purification systems and freeze-drying equipment, the factory supports multi-scale production ranging from milligram-level laboratory samples to kilogram-level industrial mass production. We cover mainstream synthesis technologies such as solid-phase peptide synthesis and liquid-phase peptide synthesis, and can efficiently customize various complex peptides, including long-chain peptides, cyclic peptides, modified peptides, fluorescent-labeled peptides and phosphorylated peptides. Our product portfolio widely serves biopharmaceutical research, cosmetic raw material development, food additive production, academic scientific research, diagnostic reagent preparation and other fields.

Quality control is the core of our production management. The factory has built a complete quality management system in line with ISO international standards, with independent professional testing laboratories. We adopt high-performance liquid chromatography (HPLC), mass spectrometry (MS), infrared spectroscopy and other precision testing methods to strictly monitor raw material screening, synthesis reaction, purification treatment, finished product packaging and every production link. This ensures that all peptide products feature high purity, stable properties, accurate molecular weight and low impurity content, meeting the differentiated quality requirements of scientific research experiments and industrial production.

With a professional technical team composed of senior peptide synthesis engineers and biochemical researchers, we have rich experience in solving difficult peptide synthesis problems and optimizing production processes. While guaranteeing product quality and production efficiency, we continuously optimize production processes, reduce production costs and shorten delivery cycles. In addition, we provide one-stop services including peptide design scheme optimization, technical consultation, after-sales technical support and personalized packaging, winning long-term trust and cooperative relationships with customers at home and abroad.

Sticking to the development concept of "technology innovation, quality supremacy, customer-oriented", our factory keeps upgrading production equipment and R&D capabilities, and strives to become a competitive professional peptide manufacturing supplier in the global biochemical industry.

Inquiry History

35 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	Factory price CAS 885340-08-9 L-Glutamine TB500	1 KG	Sep 26, 2023
United States	TB500 99% White powder Beta-4 CAS 885340-08-9 powder Custom peptides	1000	Oct 30, 2023
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	TB500	100 MG	Feb 27, 2026
Germany	TB 500	1 KG	Feb 8, 2026
Portugal	Tb 500	10 MT	Aug 7, 2024
France	TB500	1 KG	Mar 27, 2024
United States	TB500	1 G	Jan 27, 2024
Brazil	TB-500	1 G	Jun 18, 2026
Canada	TB 500	1 KG	May 8, 2026
United States	TB 500	20 G	Feb 23, 2026
Brazil	alejandro	300 PCS	Feb 19, 2026
United States	TB500 10mg	1 MT	Oct 20, 2025
United States	Tesomorelin	1 KG	Aug 8, 2025
Italy	TB500	1000 MG	Dec 30, 2024
Netherlands	tb500	1	Dec 16, 2024
New Zealand	TB500	100 MG	Jun 24, 2024
Germany	High Purity 99% Tb-500 5mg TB 500 Peptide TB500	1 MT	Oct 19, 2023
United States	High Purity 99% Tb-500 5mg TB 500 Peptide TB500	10 MT	Oct 12, 2023

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Items	Specifications
High Purity	99% purity
appearance	white lyophilized powder
Packaging	5 mg / 10 vial

bt 5

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