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TB500/Factory direct, high-purity quality, worldwide shipping, fast delivery

TDS 36 Inquiries

Unit Price:

$30/UNIT FOB

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CAS No.:

885340-08-9

Grade:

Cosmetics Grade

Content:

99.9%

Port:

shenzhen

Brand:

Packaging:

5mg*10vials 10mg*10vials 20mg*10vials

Price valid (until):

2026-09-06

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dashu

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Medical and health products,Peptide products

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Product Description
Seller Information
Inquiry History

Description

- - WHATSAPP: 852 51862678
  - 852 5187 9496
  - 852 5204 5081
  - Introduction:
    Copper peptide powder is a compound that combines copper ions with small protein fragments called peptides. It is commonly used in skincareformulations due to its potential benefits for skin health and appearance.
  - Function:
    1. Improve dynamic wrinkles, relaxing muscles
    2. Anti-carbonylation, Antioxidation, Anti-saccharification, mainly used in cosmeti
  - 3. Promote rapid wound healing
    4. Widely used as cosmetic additive
  - The importance of peptides:
  - Many active substances in the human body are in the form of peptides. Peptides are involved in various fields of human hormones, nerves, cell growth and reproduction, and their importance is to regulate the physiological functions of various systems and cells in the body, activate the relevant enzyme systems in the body, promote the permeability of intermediate metabolic membranes, or control DNA transcription or affect specific protein synthesis, and ultimately produce specific physiological effects. Peptides are important substances involved in various cell functions in human body. Peptides can be synthesized into cells and regulate their functional activities. Peptides act as neurotransmitters in the body, transmitting information.
TB500 (TB-500) Complete Product Introduction
I. Basic Core Parameters
CAS Number: 885340-08-9
2. Full name: Thymosin Beta-4 Fragment, T4 active peptide of thymosin
3. Abbreviation in English: TB-500 / TB50
4. Molecular formula: \mathbf{C_{38}H_{68}N_{10}O_{14}}
5. Molecular weight: 889.01
6. Appearance: White freeze-dried powder with excellent water solubility
7. Purity: HPLC ≥ 98% - 99%, low impurities, low endotoxins
8. Storage conditions: Un-dissolved dry powder - Store in a dark, sealed container at 20℃; After re-dissolution, store at 2-8℃ for use within 28 days.
9. Packaging Specifications: 5mg/10mg sterile vials are packed separately. Available in both milligram samples and kilogram quantities.
II. Molecular Interaction Principles (Research Mechanism)
TB500 is a synthetic core active fragment of thymosin β4 (17 amino acids). This core binds to actin and regulates the cell cytoskeleton structure, thereby achieving multiple cellular regulatory effects.
Regulate the cell migration ability, accelerate the movement of keratinocytes and endothelial cells;
2. Promote angiogenesis, inducing the formation of new blood vessels in the dermis and soft tissues;
3. Inhibit inflammatory pathways and reduce the release of pro-inflammatory factors such as TNF-α and IL-6;
4. Promote collagen deposition and assist in the repair of soft tissues and connective tissues;
5. Antioxidant effect, eliminating reactive oxygen species in cells, and alleviating oxidative stress damage.
III. Research Direction of Laboratory (Only for scientific research, no medical/human body promotion)
Research on skin wounds and skin repair
Used for experiments on skin wounds and barrier damage models, to study the epidermal healing, dermal tissue regeneration, and skin repair mechanisms after light damage, and commonly used in basic cell experiments of cosmetic raw materials.
2. Research on soft tissue, tendon and ligament repair
Muscle, ligament and joint soft tissue injury animal model, to explore the pathways of sports injury, connective tissue repair and chronic inflammation relief.
3. Topics related to angiogenesis and microcirculation
In vitro experiments on endothelial cells were conducted to study the metabolic mechanisms related to microvascular growth and improvement of local blood circulation.
4. Basic research on anti-inflammatory and oxidative stress
Experiments on in vitro cells related to skin inflammation, chronic inflammation of tissues, and cellular oxidative damage.

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Items	Specifications
Tirzepatide	Independent vacuum packaging, white powder
	5mg10vials 10mg10vials 15mg10vials 20mg10vials 30mg10vials 40mg10vials 50mg*10vials
	Refrigeration treatment Shelf life: 3 years

Why choose us?

Professional, Rich Experience.

1)Rich experience for Europe&North America&South America&Middle East&Asiaexport.

2)Full experience of large numbers containers loading in Chinese sea port.

Our Advantages.

1)All purity>99%.

2)High quality with competitive price.

3)We are manufacturer and can provide high quality products with factory price.

Fast and safe delivery.

1)Parcel can be sent out in 24 hours after payment tracking number available.

2)Secure and discreet shipment verious transportation methods for your choice.

3)Customs pass rate >99%.

We have clients throughout the world.

1)Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their different desire.

2)Market feedback and goods feedback will be appreciated, meeting customers' requirement is our principal responsibility.

3)High quality, competitive price, fast delivery, first-class service gain the trust and praise from all the customers.

How to proceed your order:

Step 1:Please let me know the items you are favorable, quantities, and the destination country.

Step 2:You confirm all detail, and offer purchasing order.

Step 3:We send the detail price of our product and offer the suitable shipping method for reference.

Step 4:You confirm the order and payment 100% in advance and send us the detailed contacting information, including contacting person/company,address,mobile number,ZIP code and your special requirements.

Step5:We arrange the shipment according to your requirements, and tracking code will be offered once it is released, then you can track your parcel at any moment.

Step 6:We offer after-sales services after service after you receive your parcel

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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).

Certificates

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:

Skin Humectant

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:
Medical and health products,Peptide products

Location:
Room 210, 2nd Floor, Office Building No.1, Dezhou Fushite Electric Motor Co., Ltd., North of Xiaoli Road and West of Tianlong Village, Tianqu Sub-district Office

Payment Terms:
100% TT in advance

Average lead Time:
15

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

Year of Establishment:
2026

Certifications:
COA,COA

Dashu Biotechnology Co., Ltd. was founded in July 2026. We specialize in a variety of health care products.
The company attaches great importance to product quality control and implements standardized quality control standards. All products undergo strict testing, supported by complete documents including COA and MSDS.
Relying on a stable supply chain system, we provide cost-effective products for global customers. Adhering to the principle of integrity and pragmatism, we look forward to establishing long-term and stable partnerships with purchasers worldwide.

Inquiry History

36 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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