Description

PEPTIDE STACK

BPC-157 and TB-500 Peptide Stack — 5 mg + 5 mg

Synthetic pentadecapeptide paired with a synthetic actin-binding regulatory protein — two lyophilized peptides. Supplied by Research Chemical exclusively for laboratory research use.

2 × 5 mg vial

BPC-157 and TB-500, lyophilized powders in sterile glass vials.

Verified to 98%

Independently analyzed by an accredited third-party lab.

Sequence-verified

Both peptides confirmed by mass spectrometry.

Research use only

Supplied exclusively for laboratory investigation.

TECHNICAL DATA

Product specifications

Specifications
Certificate of Analysis
Storage & Handling
Compliance & Use Restrictions
Specifications

BPC-157 — 5 mg per vial

Compound Class	Synthetic Pentadecapeptide (Gastric Protective Protein Fragment)
Form	Lyophilized powder, sterile glass vial
Amount per Vial	5 mg
Sequence	Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val
CAS Number	137525-51-0
Chemical Formula	C62H98N16O22
Molar Mass	1419.53 g/mol
Synonyms	BPC-157, Body Protection Compound-157, Bepecin, PL 14736
Verified Purity	Batch-tested to 98% (HPLC)

TB-500 (Thymosin Beta-4) — 5 mg per vial

Compound Class	Synthetic Actin-Binding Regulatory Protein
Form	Lyophilized powder, sterile glass vial
Amount per Vial	5 mg
CAS Number	77591-33-4
Chemical Formula	C212H350N56O78S
Molar Mass	~4963 g/mol
Synonyms	TB-500, Thymosin Beta-4, Tβ4
Verified Purity	Batch-tested to 98% (HPLC)

For laboratory research use only. Not for human or animal consumption.

Certificate of Analysis

Each peptide batch is analyzed by an accredited third-party laboratory before it ships.

BPC-157 — 98% pure

TB-500 (Thymosin Beta-4)

Most recent batch certificate of analysis, issued by MZ Biolabs. Click to view full size on the certificates page.

Storage & Handling

• Store lyophilized (unreconstituted) vials in a freezer at -20°C for long-term stability.
• Once reconstituted with bacteriostatic water, refrigerate at 2–8°C and use within the stated window on the batch COA.
• Avoid repeated freeze-thaw cycles, which can degrade peptide integrity.
• Protect from light; keep the vial sealed when not in use.

Compliance & Use Restrictions

• Not for human or veterinary use. This listing is not a drug, food, dietary supplement, or cosmetic, and is not approved for human or animal consumption.
• Laboratory use only. Sold strictly to qualified individuals and organizations for in-vitro laboratory research and analytical development.
• No therapeutic claims. Research Chemical makes no representations regarding the safety or effects of this compound in humans or animals.
• BPC-157 — WADA status: BPC-157 is prohibited by the World Anti-Doping Agency (WADA) at all times under S2 (Peptide Hormones, Growth Factors, Related Substances and Mimetics).
• TB-500 — WADA status: TB-500 (Thymosin Beta-4) is prohibited by the World Anti-Doping Agency (WADA) at all times under S2 (Peptide Hormones, Growth Factors, Related Substances and Mimetics).
• Buyer responsibility. It is the purchaser’s responsibility to determine and comply with all applicable local, state, and federal regulations governing possession and use of research peptides.

View certificates of analysis

SOURCING & QUALITY

Verified sourcing standards

Every batch sold by Research Chemical is independently analyzed before it ships.

• Third-party tested & certified — verified via HPLC and mass spectrometry, with batch-linked certificates of analysis.
• Solid-phase peptide synthesis (SPPS) — manufactured under controlled conditions for sequence fidelity.
• Lyophilized in sterile glass vials — limits degradation and contamination risk during storage and transit.
• 60-day refund / replacement — transparent order handling, standard payment methods.

REGULATORY & COMPLIANCE STATUS

Important regulatory information

Not approved for human use

This product is an investigational compound and is not a drug, food, dietary supplement, or cosmetic. It is not approved for human or animal use, and it is unlawful to market it for that purpose.

WADA status — BPC-157 & TB-500

Both BPC-157 and TB-500 (Thymosin Beta-4) are prohibited by the World Anti-Doping Agency (WADA) at all times under S2 (Peptide Hormones, Growth Factors, Related Substances and Mimetics).

No therapeutic claims

Research Chemical makes no representations regarding the safety or effects of this compound in humans or animals.

Our position

Research Chemical is a chemical supplier, not a medical provider. We do not condone or encourage consumer use of research compounds.

Research use only. All products sold by Research Chemical are intended exclusively for laboratory research and development. They are not for human or animal consumption. These statements have not been evaluated by the U.S. Food and Drug Administration, and these products are not intended to diagnose, treat, cure, or prevent any disease.