---
title: "TB-500 Peptide China Manufacturer Supply | RPL Peptide"
id: "240"
type: "product"
slug: "tb-500-peptide-thymosin-beta-4-fragment"
published_at: "2026-06-25T03:08:15+00:00"
modified_at: "2026-08-10T10:02:57+00:00"
url: "https://rplpeptides.com/tb-500-peptide-thymosin-beta-4-fragment/"
markdown_url: "https://rplpeptides.com/tb-500-peptide-thymosin-beta-4-fragment.md"
excerpt: "≥99% HPLC Verified | Bulk Supply Available | COA PDF Download DOWNLOAD COA"
taxonomy_product_cat:
  - "RPL Peptide Products"
---

[https://rplpeptides.com/wp-content/uploads/2026/06/imgi_66_tb500-5mg.jpeg](https://rplpeptides.com/wp-content/uploads/2026/06/imgi_66_tb500-5mg.jpeg)

[https://rplpeptides.com/wp-content/uploads/2026/06/RPL-peptide-ready-to-ship.jpg](https://rplpeptides.com/wp-content/uploads/2026/06/RPL-peptide-ready-to-ship.jpg)

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# TB-500 Peptide China Manufacturer Supply | RPL Peptide

$89.00 – $158.00Price range: $89.00 through $158.00 / box (10 vials) Shipping: $97 per order | Free shipping on orders over $600

*≥99% HPLC Verified | Bulk Supply Available | COA PDF Download*

[DOWNLOAD COA](https://rplpeptides.com/download/tb-500-coa/)

SKU: N/ACategory: [RPL Peptide Products](https://rplpeptides.com/rpl-peptide-products/)

- [Description](#tab-description)
- [Additional information](#tab-additional_information)

## TB-500 Peptide China Manufacturer Supply

TB-500 is a synthetic research peptide fragment derived from **Thymosin Beta-4 (Tβ4)**, a naturally occurring actin-binding protein widely studied in cellular structure and motility research. It is associated with research on the **Thymosin Beta-4 → Actin regulation axis**, which plays a role in structural protein dynamics.

In laboratory and in vitro research contexts, TB-500 is commonly referenced as part of studies involving:

- Actin cytoskeleton organization
- Cell migration and motility models
- Tissue structure simulation systems
- Protein interaction and intracellular signaling studies
- Extracellular matrix remodeling research models

This product is intended for **laboratory research use only** and is not intended for human or therapeutic use.

**Core research pathway model:**

Thymosin Beta-4 derivative  
→ Actin binding modulation  
→ Cytoskeleton reorganization  
→ Cell migration behavior studies  
→ Tissue remodeling model systems (in vitro)

This pathway is primarily studied in:

- Cell biology laboratories
- Protein structure research
- Regenerative biology modeling systems (non-clinical)

---

## Product Specifications

- Product Name: TB-500 (Thymosin Beta-4 Fragment)
- CAS Number: 77591-33-4
- Purity: ≥99% (HPLC Verified)
- Molecular Form: Lyophilized peptide powder
- Appearance: White solid powder
- Strength Options: 2 mg / 5 mg / 10 mg per vial
- Packaging: 10 vials per box
- Storage: 2–8°C, sealed, protected from light and moisture
- Shelf Handling: Avoid repeated freeze–thaw cycles

---

## Analytical Quality Control

Each batch is produced under controlled solid-phase peptide synthesis (SPPS) conditions and verified using multi-step analytical validation.

**Testing Methods:**

- HPLC purity analysis (≥99%)
- Mass spectrometry identity confirmation
- Moisture content and stability testing
- Batch-level traceability system

**Batch Documentation:**

- Certificate of Analysis (COA) available per batch
- QC report available upon request or bulk order
- Full traceability labeling for export supply chains

---

## Manufacturing & Production System

TB-500 is synthesized using **solid-phase peptide synthesis (SPPS)** followed by multi-stage purification and filtration.

Production features:

- Controlled synthesis environment
- Lot-to-lot consistency management system
- Scalable batch manufacturing for bulk supply
- OEM / private label packaging available for distributors

---

## Packaging & Supply Format

- Standard unit: 10 vials per box
- Lyophilized sealed vial format
- Multiple vial strength options available
- Export-safe protective packaging
- Batch-coded labeling for traceability

---

## Shipping & Fulfillment

- Processing time: 1–3 business days
- International shipping available
- Tracking number provided after dispatch
- Bulk orders eligible for priority fulfillment
- Discreet export packaging for research supply chains

---

## Storage & Handling Guidelines

- Store at 2–8°C in sealed conditions
- Keep away from direct light and humidity
- Do not expose to repeated freeze–thaw cycles
- Allow vial to reach room temperature before opening
- Follow standard laboratory handling procedures

---

## B2B Supply Options

RPL Peptide supports wholesale and institutional supply channels:

- Bulk peptide procurement
- OEM / private label manufacturing
- Research institution supply contracts
- Multi-product peptide sourcing packages

For large orders, COA and batch documentation can be provided before shipment.

---

## Frequently Asked Questions

### What is TB-500 used for in research?

TB-500 is used in laboratory studies related to cell migration, cytoskeleton organization, and protein structure modeling.

### Is TB-500 natural or synthetic?

This product is a synthetic peptide fragment modeled after Thymosin Beta-4.

### What purity level does TB-500 have?

Each batch is tested to ensure ≥99% purity using HPLC analysis.

### How is TB-500 supplied?

It is supplied as a lyophilized powder in sealed vials, packaged in 10-vial boxes.

### Can I get COA for each batch?

Yes. Certificate of Analysis (COA) is available per batch upon request or bulk order.

---

| Size | 5mg/vial, 10mg/vial |
| --- | --- |

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