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Body Protection Compound 157 + Thymosin Beta-4 Fragment

Body Protection Compound 157 + Thymosin Beta-4 Fragment

Price range: $99.00 through $879.00

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Batch Number: 2026/02

Purity Percentage: 98.77

Identity Confirmation: Krause Analytical

Testing Methods:

Credential Line:

Test Date: 02/03/2026

SKU: N/A Category:

Research Data

Research Classification

Dual Research Peptide / Peptide Combination

Molecular Structure

Molecular Structure

Structure Description

This research formulation contains two distinct peptide structures: BPC-157, a synthetic 15-amino-acid peptide, and Ac-SDKP (N-acetyl-seryl-aspartyl-lysyl-proline), an N-terminally acetylated tetrapeptide derived from Thymosin Beta-4. Independent LC-MS analysis of the tested product identified both BPC-157 and Ac-SDKP as the constituent analytes.

Research Discipline

Cell Biology; Molecular Biology; Vascular Biology; Fibroblast Biology; Extracellular-Matrix Research; Peptide Biology

Molecular Formula

BPC-157: C₆₂H₉₈N₁₆O₂₂ Ac-SDKP: C₂₀H₃₃N₅O₉ Note: These are the individual molecular formulas of the two components rather than a single molecular formula for the combined formulation.

Molecular Weight

BPC-157: approximately 1419.5 g/mol Ac-SDKP: approximately 487.5 g/mol Note: Molecular weights are reported separately because this is a two-component research formulation.

CAS Number

BPC-157: 137525-51-0 Ac-SDKP: 127103-11-1

Amino Acid Sequence

BPC-157:
GEPPPGKPADDAGLV

Thymosin Beta-4 Fragment (Ac-SDKP):
Ac-Ser-Asp-Lys-Pro

Primary Molecular Target

BPC-157: Multiple experimentally investigated cellular signaling pathways, including endothelial and angiogenesis-associated signaling. Ac-SDKP: TGF-β/Smad-associated signaling, fibroblast-associated pathways, extracellular-matrix regulation, and endothelial-cell signaling. Because this is a combination research product, there is no single established molecular target shared by both components.

Experimental Applications

Peptide signaling research
Cellular migration studies
Endothelial-cell research
Angiogenesis-associated experimental models
Fibroblast biology
Extracellular-matrix research
Collagen-production models
TGF-β-associated signaling studies
Cellular stress-response research
Peptide structure-function studies

Experimental Systems

Experimental systems reported in research involving the individual components include:

Cultured endothelial-cell systems
Fibroblast cell-culture models
Human cardiac fibroblast models
Endothelial proliferation and migration models
Extracellular-matrix experimental systems
Angiogenesis-associated models
Preclinical tissue-response models
Biochemical peptide-signaling systems

These systems describe published research involving the individual peptides and should not be interpreted as evidence that the combined formulation itself has been validated in each system.

Specific Assays

Cell migration assays
Endothelial proliferation assays
Tube-formation assays
Fibroblast differentiation assays
Collagen-expression assays
Western blot / protein-expression analysis
TGF-β/Smad signaling assays
ERK1/2 pathway analysis
Angiogenesis-associated assays
HPLC purity analysis
LC-MS identity confirmation
Limulus Amebocyte Lysate (LAL) endotoxin assay

Measured Endpoints

Experimental endpoints reported in research involving the individual components include:

Cellular migration
Endothelial-cell proliferation
Tube formation
Fibroblast differentiation
Collagen production
Extracellular-matrix signaling
TGF-β/Smad pathway activity
ERK1/2 signaling
Angiogenesis-associated responses
Cellular signaling responses

Analytical endpoints for the actual tested product include peptide identity, chromatographic purity, individual peptide content, appearance, and endotoxin assay results.

Mechanism / Research Context

Body Protection Compound 157 + Thymosin Beta-4 Fragment combines two analytically distinct peptides investigated across different areas of experimental biology.

BPC-157 has been investigated in preclinical models involving cellular signaling, endothelial responses, angiogenesis-associated pathways, cellular migration, and tissue-response mechanisms.

The Thymosin Beta-4-derived component identified in the tested formulation is Ac-SDKP. Ac-SDKP has been investigated experimentally in fibroblast biology, extracellular-matrix regulation, TGF-β/Smad signaling, inflammatory pathways, endothelial-cell migration, and angiogenesis-associated models.

The current COA establishes the presence of BPC-157 and Ac-SDKP, but does not establish that the combination produces synergistic or additive biological effects.

Evidence Level

Preclinical Research This is the appropriate classification because the research context described above is predominantly derived from laboratory and preclinical investigation. It should not be presented as established clinical efficacy.

Research References

BPC-157 PubChem CID 9941957 — BPC-157 compound and structural information. Include peer-reviewed primary literature covering BPC-157 experimental cellular, vascular, and signaling research. Ac-SDKP Include peer-reviewed research covering Ac-SDKP and TGF-β/Smad signaling. Include experimental literature covering fibroblast differentiation and collagen production. Include endothelial-cell proliferation, migration, tube-formation, and angiogenesis research. Important: References involving full-length Thymosin Beta-4 should not automatically be attributed to Ac-SDKP. They are structurally distinct research materials.

Analytical Characterization

Independent analytical testing of OPTMZ Peptides lot BB20 by Freedom Diagnostics reported:

Product: BPC 10 mg + TB 10 mg
Identity (LC-MS): Ac-SDKP / BPC-157
Purity (HPLC-UV): 99.32%
BPC-157 Net Content: 11.22 mg
Ac-SDKP Net Content: 11.80 mg
Appearance: White Lyophilized Powder
Endotoxin Replicate 1: Pass
Endotoxin Replicate 2: Pass
Assay Sensitivity: ≤0.05 EU/mL
Analytical Method: HPLC with UV detection coupled with mass spectrometry (LC-MS)
Endotoxin Method: Limulus Amebocyte Lysate assay in accordance with USP <85>

The COA chromatogram displays separate principal peaks labeled Ac-SDKP and BPC-157, with corresponding mass-confirmation data.

Research Keywords

BPC-157, Body Protection Compound 157, Thymosin Beta-4 Fragment, Ac-SDKP, N-Acetyl-Seryl-Aspartyl-Lysyl-Proline, BPC-157 + TB-500, BPC-157 Peptide, Dual Research Peptide, Peptide Combination, Endothelial Cell Research, Fibroblast Research, TGF-Beta Signaling, Smad Signaling, ERK1/2, Extracellular Matrix, Angiogenesis Research, Cell Migration, Peptide Signaling, Vascular Biology

One important correction to keep throughout the page

For this exact lot, I would consistently describe the second component as:

Thymosin Beta-4 Fragment (Ac-SDKP)

rather than claiming the COA verified full-length Thymosin Beta-4 or generic TB-500. Freedom Diagnostics specifically reports Ac-SDKP/BPC-157 by LC-MS, and the chromatogram on the single-page COA separately labels the Ac-SDKP and BPC-157 peaks.

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Research Use Only

All research peptides provided by OPTMZ Peptides are intended strictly for laboratory research applications and are not designed for medical use. These compounds are not approved by the U.S. Food and Drug Administration (FDA) to diagnose, treat, cure, or prevent any disease. By purchasing, the buyer confirms use strictly for scientific research and not for human or animal consumption.

Product Overview

The Body Protection Compound 157 + Thymosin Beta-4 Fragment (BPC-157 + TB-500) blend is a combination of two synthetic research peptides frequently examined in controlled laboratory environments.

BPC-157 is a synthetic peptide derived from a fragment of a gastric protein sequence, while TB-500 is a synthetic version of thymosin beta-4 (Tβ4). This blend is studied in in vitro research settings for its interaction with cellular pathways, including angiogenic signaling, cytoskeletal activity, and cellular response mechanisms.

Technical Specifications

BPC-157

  • CAS Number: 137525-51-0
  • Molecular Formula: C₆₂H₉₈N₁₆O₂₂
  • Molecular Weight: 1419.556 g/mol
  • PubChem ID: 108101

TB-500

  • CAS Number: 77591-33-4
  • Molecular Formula: C₆₂H₉₈N₁₆O₂₂
  • Molecular Weight: 1419.556 g/mol
  • PubChem ID: 108101
  • Purity: ≥99% (HPLC tested)
  • Form: Lyophilized powder
  • Synthesis Method: Solid-phase peptide synthesis

Analytical & Testing

Each batch of the BPC-157 + TB-500 blend undergoes high-performance liquid chromatography (HPLC) and mass spectrometry (MS) analysis to verify purity, identity, and analytical consistency. A corresponding Certificate of Analysis (COA) is available for each batch.

Handling & Storage

This blend should be handled by qualified professionals in controlled laboratory environments. Proper storage conditions should be maintained to preserve compound stability and structural integrity.

Research Context

In preclinical research models, the BPC-157 + TB-500 blend has been examined across structural, vascular, and cellular systems. Research focus includes:

  • Collagen-related pathways
  • Extracellular matrix interactions
  • Angiogenic signaling models
  • Cytoskeletal and cellular activity

These observations are limited to controlled experimental environments and support ongoing laboratory investigations.

Research Application Scope

This peptide blend continues to be evaluated for its relevance in experimental biology, particularly within studies involving cellular structure, vascular behavior, and biochemical signaling pathways.

Use Statement

For laboratory research use only. Intended strictly for in vitro research applications.

Disclaimer

All products currently listed on this site are for research purposes ONLY.

Pcs

Single Vial, Pack of 10
Strength

10mg

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