BPC-157 15mg — Vial Spec, Reconstitution Math & COA
This technical guide outlines the physicochemical properties, reconstitution mathematics, aliquoting procedures, and quality specifications for the 15mg mass presentation of BPC-157. Designed for high-throughput preclinical research environments, this document provides laboratory researchers with accurate calculations for volumetric preparation, lot-matched analytical validation, and storage parameters required to maintain peptide integrity during in vitro and animal models of tissue repair.
Quick answer
This technical guide outlines the physicochemical properties, reconstitution mathematics, aliquoting procedures, and quality specifications for the 15mg mass presentation of BPC-157. Designed for high-throughput preclinical research environments, this document provides laboratory researchers with accurate calculations for volumetric preparation, lot-matched analytical validation, and storage parameters required to maintain peptide integrity during in vitro and animal models of tissue repair.
Key takeaways
- A 15mg vial of [bpc-157](/research-peptides/bpc-157) 15mg contains 15 milligrams of highly purified, lyophilized Body Protection Compound 157 (a pentadecapeptide derived from human gastric juice protein sequences) combined with a precise quantity of bulking agent—typically mannitol or trehalose—to form a stable, uniform cake.
- To ensure complete supply chain transparency, researchers should note that PX1 Research currently stocks standardized single-vial and multi-vial options optimized for typical experimental workflows, such as our core [bpc-157](/product/bpc-157) inventory available in standard 5mg and 10mg masses.
- [BPC-157](/research-peptides/bpc-157) is a 15-amino-acid synthetic peptide sequence (Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val) recognized in preclinical literature for its stable molecular conformation and pleiotropic biological activities.
- Accurate volumetric reconstitution of a 15mg mass point requires precise calculation of final working concentrations based on the total volume of solvent introduced into the vial.
BPC-157 15mg Vial Specifications & High-Yield Experimental Overview
A 15mg vial of bpc-157 15mg contains 15 milligrams of highly purified, lyophilized Body Protection Compound 157 (a pentadecapeptide derived from human gastric juice protein sequences) combined with a precise quantity of bulking agent—typically mannitol or trehalose—to form a stable, uniform cake. This larger 15mg mass format is engineered specifically for high-volume research protocols, automated liquid handling systems, or multi-sample comparative assays where consistent baseline concentrations across extended experimental runs are mandatory.
Primary investigators and research facilities select the 15mg presentation when conducting high-density in vitro cellular assays or multi-subject rodent model studies that require substantial working volumes of stock solution. Utilizing a single 15mg vial reduces batch-to-batch variation across large microplate layouts, ensuring that all test wells receive an identical peptide preparation. All raw material undergoes rigorous purification to yield a clean, white-to-off-white cake that rapidly reconstitutes in standard aqueous laboratory buffers.
PX1 Catalog Availability & Alternative Sourcing Options
To ensure complete supply chain transparency, researchers should note that PX1 Research currently stocks standardized single-vial and multi-vial options optimized for typical experimental workflows, such as our core bpc-157 inventory available in standard 5mg and 10mg masses. While custom 15mg batch runs are processed for specialized institutional contracts or high-volume lab accounts via our wholesale division, standard catalog orders are fulfilled using our primary inventory listings.
If your experimental design specifically requires a 15mg cumulative mass point, researchers can readily combine catalog-standard 5mg or 10mg vials to reach identical total active peptide quantities without altering experimental molarity. You can explore our complete range of analytical-grade research compounds across our catalog at all-peptides to select the exact vial configuration required for your facility's protocols.
Molecular Profile and Mechanism of Action in Tissue Repair Models
BPC-157 is a 15-amino-acid synthetic peptide sequence (Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val) recognized in preclinical literature for its stable molecular conformation and pleiotropic biological activities. Preclinical studies suggest that BPC-157 plays a key role in accelerating tissue repair processes across tendon, ligament, skeletal muscle, and gastrointestinal mucosal substrates. Unlike short-lived signaling peptides, BPC-157 exhibits structural resistance to enzymatic degradation in gastric juice and serum environments, making it a robust subject for in vitro enzymatic assays.
The primary mechanism of action documented in preclinical models involves the upregulation of vascular endothelial growth factor (VEGF) expression, activation of the VEGFR2 signaling pathway, and stimulation of early growth response 1 (EGR-1) gene expression. In vitro and animal models demonstrate that these pathways promote rapid endothelial cell migration, capillary tube formation, and collagen cross-linking at sites of induced mechanical disruption. Additionally, research indicates that BPC-157 modulates the nitric oxide (NO) system, balancing endothelial nitric oxide synthase (eNOS) and inducible nitric oxide synthase (iNOS) output to support cellular survival under ischemic conditions.
Reconstitution Mathematics for a 15mg Mass Mass Point
Accurate volumetric reconstitution of a 15mg mass point requires precise calculation of final working concentrations based on the total volume of solvent introduced into the vial. To calculate the concentration ($C$) in milligrams per milliliter (mg/mL) or micrograms per microliter ($\mu$g/\mu L), divide the total peptide mass ($M = 15\text{ mg}$) by the diluent volume ($V$). Researchers can quickly double-check calculations using our online reconstitution-calculator.
When reconstituting a 15mg vial with **1.0 mL** of diluent, the resulting concentration is **15.0 mg/mL** (or $15.0\ \mu\text{g/}\mu\text{L}$). Adding **2.0 mL** of diluent yields a working concentration of **7.5 mg/mL** ($7.5\ \mu\text{g/}\mu\text{L}$). Introducing **3.0 mL** of diluent results in a final concentration of **5.0 mg/mL** ($5.0\ \mu\text{g/}\mu\text{L}$). For micro-dosing in cell culture protocols where low-volume aliquoting is necessary, a 3.0 mL dilution is often preferred as it minimizes volumetric measurement errors when pipetting microliter volumes.
Aliquoting Strategies and Freeze-Thaw Degradation Prevention
Repeated freeze-thaw cycles significantly accelerate peptide peptide backbone cleavage and aggregation in aqueous solutions. Once the bpc-157 15mg mass is fully dissolved, laboratory personnel should immediately divide the stock solution into single-use, polypropylene, low-binding microcentrifuge tubes according to the daily volume requirements of the experimental protocol.
Aliquots should be clearly labeled with the compound name, lot number, concentration, reconstitution date, and diluent type. Store primary stock aliquots at $-20^\circ\text{C}$ or $-80^\circ\text{C}$ for long-term storage. Working aliquots designated for immediate use within 7 to 14 days should be kept at $2^\circ\text{C}$ to $8^\circ\text{C}$ in a dark environment. Once an aliquot is thawed, any remaining unused solution should be discarded rather than re-frozen to maintain experimental consistency.
Quality Assurance: HPLC, MS, Endotoxin Testing, and COA Issuance
At PX1 Research, every batch of synthesized peptide undergoes stringent analytical verification to confirm purity, identity, and safety prior to release. High-Performance Liquid Chromatography (HPLC) is conducted to ensure a chemical purity profile exceeding 99.0%, separating the primary peptide peak from synthesis byproducts or truncated sequences. Mass Spectrometry (MS) confirms the precise molecular weight of $1419.5\text{ Da}$, matching theoretical predictions.
Furthermore, because bacterial endotoxins interfere with sensitive cell culture systems and animal tissue models, all lots undergo chromogenic Limulus Amebocyte Lysate (LAL) testing to confirm endotoxin levels remain strictly below $< 0.01\text{ EU/mg}$. Laboratory directors can verify lot-specific analytical data, including raw HPLC chromatograms and MS spectra, directly through our centralized coa database.
Selecting Optimal Mass Formats: 5mg vs 10mg vs 15mg Specifications
Choosing between different vial mass options depends primarily on the experimental scale, stability windows, and budgetary considerations. A standard 5mg vial format is ideal for short-duration pilot studies, single-assay validations, or protocols requiring minimal reconstituted storage time. The 10mg format offers a balanced solution for medium-scale laboratory runs, providing a lower cost-per-milligram while remaining easy to consume within stable refrigeration timeframes.
The bpc-157 15mg format represents the most cost-efficient choice for high-throughput screening, extensive animal cohorts, or longitudinal studies where continuous dosing from a unified, homogeneous batch eliminates batch-to-batch analytical variance. However, if a lab does not possess the capacity to aliquot and freeze large volumes immediately upon reconstitution, purchasing smaller, individual 5mg or 10mg units from our research-peptides inventory may reduce the risk of solution degradation.
Diluent Selection and Laboratory Storage Guidelines
Reconstitution media must be selected based on the downstream analytical application. For general cell culture assays and short-term short-duration protocols, Sterile 0.9% Sodium Chloride (Normal Saline) or Phosphate-Buffered Saline (PBS, pH 7.4) is recommended. If the reconstituted solution must remain in liquid form under refrigeration for extended periods (up to 28 days), Bacteriostatic Water containing 0.9% benzyl alcohol should be utilized to inhibit microbial growth.
Unreconstituted lyophilized vials must be stored in a controlled freezer environment at $-20^\circ\text{C}$ or lower, protected from light exposure and ambient humidity. Under these conditions, the lyophilized peptide remains stable for up to 24 months. Prior to reconstitution, vials should be allowed to equilibrate to room temperature ($20^\circ\text{C}$ to $25^\circ\text{C}$) to prevent condensation formation inside the vial upon stopper removal or diluent injection.
Comparative Analysis: BPC-157 in Tissue Matrix Protocols
In preclinical tissue engineering and regenerative medicine research, BPC-157 is frequently evaluated alongside or in comparative matrix studies with other peptide signaling molecules, such as tb-500 (Thymosin Beta-4 fragment) and ghk-cu (Copper Tripeptide-1). While BPC-157 primarily targets early VEGFR2 activation, focal adhesion kinase (FAK) signaling, and nitric oxide modulation, TB-500 operates via actin sequestration to drive cellular motility and tissue remodeling.
Simultaneously, GHK-Cu regulates extracellular matrix gene expression, stimulating metalloproteinase activity and collagen remodeling. Comparative studies in fibroblast migration models demonstrate that while each peptide exhibits distinct receptor targets and kinetic profiles, BPC-157 demonstrates uniquely potent mucosal protective properties alongside its systemic tissue repair mechanisms. Researchers can review detailed mechanistic breakdowns in our expanded research library.
Sourcing Assurance from PX1 Research
PX1 Research is committed to supplying the scientific community with analytical-grade research compounds manufactured under strict Quality Management Systems (QMS). Our synthesis protocols take place in cGMP-compliant facilities within the USA, ensuring rigorous oversight from raw amino acid coupling through final lyophilization and vial sealing.
All orders ship directly from our state-of-the-art distribution centers located in California and Arizona, with same-day shipping applied to all orders received Monday through Friday prior to 3:00 PM PST. Every product shipment is backed by third-party ISO 17025 accredited laboratory testing, guaranteeing verified identity, purity, and safety parameters for uncompromised research integrity.
Frequently Asked Questions
What is the exact chemical mass contained in a BPC-157 15mg vial?
A 15mg vial contains precisely 15.0 milligrams of pure synthetic BPC-157 peptide in a lyophilized (freeze-dried) state, formulated alongside inert bulking excipients to preserve peptide stability and ensure uniform cake structure.
How do I calculate the concentration of a 15mg vial reconstituted with 2mL of bacteriostatic water?
Dividing the 15mg mass by 2.0mL of diluent yields a final concentration of 7.5mg/mL (or 7.5 micrograms per microliter). You can verify volumetric adjustments using our online reconstitution calculator.
Does PX1 Research offer BPC-157 in a 15mg vial size standard in stock?
PX1 Research standard catalog stock features 5mg and 10mg BPC-157 vials. Custom 15mg runs are provided for institutional accounts or large-scale research projects via wholesale inquiries. Standard catalog options can be combined to achieve equivalent cumulative experimental masses.
What testing is performed to ensure purity and identity of the peptide?
Every lot undergoes High-Performance Liquid Chromatography (HPLC) to verify chemical purity (>99.0%), Mass Spectrometry (MS) to confirm exact molecular mass (1419.5 Da), and LAL testing to ensure endotoxins remain below 0.01 EU/mg.
How should reconstituted BPC-157 stock solution be stored to prevent degradation?
Reconstituted liquid solution should be divided into single-use aliquots and frozen at -20°C or -80°C for long-term storage. Working aliquots stored at 2°C to 8°C should be used within 7 to 14 days (or up to 28 days if reconstituted with bacteriostatic water).
What diluent is recommended for cellular microplate assays?
For in vitro cellular assays where benzyl alcohol may cause cytotoxicity, sterile 0.9% Sodium Chloride or Phosphate-Buffered Saline (PBS, pH 7.4) is recommended for immediate experimental use.
Are PX1 Research compounds approved for human administration or clinical use?
No. All products sold by PX1 Research are strictly intended for laboratory research use only (in vitro and preclinical animal research). They are not for human or veterinary use, medical diagnosis, treatment, or therapy.
Where are PX1 Research products manufactured and shipped from?
PX1 Research compounds are synthesized in cGMP-compliant facilities within the USA and shipped directly from ISO-aligned distribution facilities located in California and Arizona.
Related pages
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.