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Reconstitution Solution
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99% HPLC Purity
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-
99%+ HPLC Purity — Independently verified by accredited US laboratory -
Endotoxin-Screened — LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing — USA facility, ISO 9001:2015
-
Lyophilized for Stability — Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
4.9 847 verified reviews
Reconstitution Solution
Total Price
$39.86
Discounted Price
$27.90
Vials
5 vials
You Save
$11.96
30% OFF
Select Strength (mg)
99% HPLC Purity
Select Vials
Bulk pricing applied
📈 Upgrade to 10 vials and save an extra vs. buying 5 — nearly 3 free vials.
Select Purchase Option:
-
99%+ HPLC Purity —
Independently verified by accredited US laboratory
-
Endotoxin-Screened —
LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing —
USA facility, ISO 9001:2015
-
Lyophilized for Stability —
Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
Licensed Peptides’ Reconstitution Solution is a sterile aqueous solution containing 0.9% benzyl alcohol, formulated to inhibit the growth of microorganisms and support sterility during laboratory handling. Its bacteriostatic properties make it a widely used reagent in research environments where repeated vial access and controlled preparation procedures are required.
Licensed Peptides supplies Reconstitution Solution manufactured under strict quality standards:
- Sterile formulation with 0.9% benzyl alcohol preservative
- Manufactured according to established quality-control standards
- Commitment to transparency and product information
- Consistent fulfillment and inventory management practices
- Reliable U.S.-based fulfillment and customer support
- Exclusively supplied for laboratory and analytical research
When used in conjunction with high-purity research materials, including LPS-free and endotoxin-free research peptides and peptide blends, bac water helps maintain experimental consistency and reproducibility. Its formulation supports predictable dilution behavior and helps preserve the chemical stability and structural integrity of sensitive research compounds over extended study timelines.
Note: While benzyl alcohol suppresses microbial growth, it does not sterilize contaminated solutions. Therefore, comprehensive laboratory sanitation protocols, validated storage conditions, and disciplined handling practices remain mandatory.
Reconstitution SolutionProduct Specifications
| Product Name | Reconstitution Solution |
| Application | Research Use Only |
| Sterility | Sterile |
| Benzyl Alcohol | 0.9% |
| Quality Control | Batch Verified |
| Manufacturing | Quality-Controlled Production |
| Storage | Follow Product Label Instructions |
Important: Licensed Peptides sells Reconstitution Solution as a research reagent for peptide reconstitution. It is not a medical product and MUST not be used for any human or veterinary injection.
You can learn more about bacteriostatic water and what it is on our site.
Reconstitution Solution at a glance
| Form supplied | Lyophilized powder |
|---|---|
| Application | Research use only |
What is Reconstitution Solution?
In studies involving delicate cellular systems or tissue samples, this solution is particularly valuable for ensuring the accuracy of dilution processes and maintaining consistency across experimental replicates. Its bacteriostatic properties help mitigate microbial interference that could otherwise affect the validity and reproducibility of research outcomes.
For storage, bacteriostatic water should be maintained at ambient temperature and protected from light, heat, and moisture. Unopened vials generally retain stability for up to two years; however, once opened, the contents should be discarded within 28 days to preserve sterility and effectiveness.
How is Reconstitution Solution studied in the lab?
Bacteriostatic water is water for injection containing 0.9 % benzyl alcohol as a preservative. Its role in a peptide workflow is a formulation one: the alcohol suppresses microbial growth in a multi-use vial, while the peptide itself remains subject to the ordinary solution-phase degradation routes — hydrolysis, deamidation of asparagine and glutamine, oxidation of methionine and tryptophan, and aggregation.1 Those routes are the reason peptides are supplied freeze-dried in the first place: removing water suppresses them, and reconstitution restarts them.2 Stability after reconstitution therefore depends on pH, ionic strength, temperature and the number of freeze-thaw cycles the solution is put through, not on the preservative.1
What has preclinical research reported?
Significance in Peptide Research
Peptides, which are short amino acid chains, demand careful handling and controlled storage conditions. In most research laboratories, peptides are distributed in a lyophilized (freeze-dried) form that must be dissolved before use. Bacteriostatic water is commonly chosen for this reconstitution due to its sterility and antimicrobial properties.
Why Use Bacteriostatic Water for Peptides
Preservation of Sample Integrity: Because it is sterile and contains a bacteriostatic agent, this water protects delicate peptide samples from microbial contamination, maintaining their purity throughout experimental use.
Ease of Use: Since bacteriostatic water can be safely used multiple times, it enables researchers to draw several aliquots from one vial — ideal for working with expensive or limited peptide samples.
Short-Term Stability: The inclusion of benzyl alcohol inhibits bacterial growth, extending the usable life of peptide solutions for short-term storage.
Application in Protein Research
Protein studies also require stringent contamination control to ensure experimental reliability. Like peptides, many proteins arrive as powders that must be reconstituted. Bacteriostatic water provides a sterile and stable solvent environment for this purpose.
Solution-phase degradation routes
Manning and colleagues’ 2010 update in Pharmaceutical Research catalogues the chemical and physical instability routes that act on peptides and proteins once they are in solution, and the formulation variables that control them.1
Why the solid form is used
Wang’s 2000 review in International Journal of Pharmaceutics covers lyophilisation and the development of solid peptide and protein preparations, including the role of residual moisture in solid-state stability.2
Forms studied and handling
Maintaining Purity: The bacteriostatic effect of benzyl alcohol helps preserve the cleanliness and integrity of protein samples, even after multiple withdrawals from the same vial.
Experimental Consistency: Using the same sterile solvent across multiple protein preparations improves reproducibility and reduces unwanted microbial variables.
Wide Compatibility: Bacteriostatic water is suitable for use with many proteins. However, researchers should always verify that their specific protein is not sensitive to benzyl alcohol, as it may interfere with certain enzymes or delicate protein structures.
Note: Always assess solvent compatibility during method validation to prevent adverse interactions with sensitive proteins.
Common Laboratory Applications
Beyond reconstituting peptides and proteins, bacteriostatic water serves several additional laboratory roles:
Sample Dilution: Used for creating precise concentrations in analytical and biological assays.
Buffer and Reagent Preparation: Acts as a clean base for preparing solutions and buffers.
Instrument Maintenance: Provides a sterile rinse for laboratory tools, including pipettes and automated liquid-handling systems.
In automated research environments, bacteriostatic water ensures that reagents remain sterile and uncontaminated over multiple handling cycles, supporting reliable and reproducible experimental outcomes.
Many research compounds require precise dilution ratios and controlled reconstitution conditions. Bacteriostatic water provides a stable environment that supports gradual, uniform mixing without introducing unwanted contaminants. Its production under USP-grade manufacturing standards helps ensure consistency from batch to batch.
Reduced Risk of Microbial Proliferation
The benzyl alcohol content does not merely serve as a labeling feature; it actively inhibits microbial growth within the vial following access. In laboratories where materials may be accessed multiple times over ongoing experiments, this antimicrobial property helps reduce variables related to contamination risk, supporting data reliability and experimental accuracy.
Compatibility with Sensitive Research Materials
Certain compounds are highly sensitive to environmental changes, including pH fluctuations and microbial exposure. Bacteriostatic water offers a gentler and more stable solution environment, making it a preferred choice for preparing delicate research materials that require careful handling.
Cost Efficiency for Repeated Laboratory Use
Because bacteriostatic water supports multiple withdrawals, it significantly reduces the need for frequent replacement. This efficiency is especially valuable in laboratories managing high research volumes or long-term studies, where budget allocation and material conservation are ongoing considerations.
- Extended usability of up to 28 days after initial vial puncture
- Manufactured to USP-grade sterility standards
- Contains 0.9% benzyl alcohol to inhibit bacterial growth
- Supports multi-dose laboratory access with reduced contamination risk
- Commonly utilized for peptide and compound reconstitution
- Cost-efficient for repeated laboratory handling
- Consistent dilution and predictable mixing behavior
- Suitable for controlled experimental environments
- Helps maintain compound integrity during preparation
- Reduces waste associated with single-use sterile waters
References
- Manning MC, Chou DK, Murphy BM, et al. Stability of protein pharmaceuticals: an update. Pharmaceutical Research. 2010;27(4):544-575. doi:10.1007/s11095-009-0045-6
- Wang W. Lyophilization and development of solid protein pharmaceuticals. International Journal of Pharmaceutics. 2000;203(1-2):1-60. doi:10.1016/S0378-5173(00)00423-3
For laboratory research use only. Products on this website are intended solely for in-vitro research. They are not medicines, have not been evaluated by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease. Any administration to humans or animals is strictly prohibited.
Test
What are these peptides made for?
Our peptides are produced exclusively for laboratory and scientific research purposes.
Licensed Peptides™ products are developed using industry-standard synthesis and purification protocols, making them suitable for in vitro research, analytical testing, and experimental models.
Research-grade standards
- Synthesized via Solid Phase Peptide Synthesis (SPPS)
- Purified using advanced HPLC methods
- Verified through analytical quality control processes
- Screened for heavy metals and endotoxins
Consistency across batches
Strict process controls ensure reproducibility, allowing researchers to work with confidence across experiments.
Applications
Our peptides are commonly used in research involving:
- Cellular signaling pathways
- Tissue remodeling and repair mechanisms
- Extracellular matrix regulation
- Molecular biology and biochemical studies
All products are intended for research use only and are not for human or animal consumption, therapeutic use, or clinical application.
Why buy from Licensed Peptides
At Licensed Peptides™, quality isn’t a claim — it’s a controlled, repeatable process.
Every peptide we produce follows a strict, pharma-grade workflow designed to ensure purity, stability, and consistency from synthesis to delivery.
What sets us apart
ISO-certified cleanroom manufacturing
All peptides are synthesized in sterile, controlled environments to eliminate contamination risk and ensure batch consistency.
>99% verified purity (HPLC tested)
We use advanced High-Performance Liquid Chromatography (HPLC) to separate and verify peptide purity with precision.
Comprehensive safety testing
Each batch undergoes heavy metal and endotoxin screening to ensure it is free from hidden contaminants.
Pharma-grade raw materials
We start with rigorously tested amino acids and reagents, ensuring integrity at the molecular level.
Lyophilized for stability
Freeze-dried peptides maintain long-term stability, potency, and reliability for research applications.
Nitrogen-sealed vials
Every vial is protected from oxygen and moisture, preserving structural integrity during storage and transit.
Built for serious research
From synthesis to delivery, every step is engineered to meet the expectations of professionals who require accuracy, consistency, and reliability.
For laboratory research use only. Not for human or veterinary use.
How orders ship
We understand that timing and product integrity are critical for research.
| Ships to | United States (including minor outlying islands) |
|---|---|
| Processing days | Monday to Friday, excluding holidays |
| Daily cut-off | Paid orders placed before 4:00 PM PST are typically shipped the same business day |
| Free shipping | FedEx 2-Day Express on orders over $200 and for VIP members |
| Standard | USPS Ground Advantage, 3–7 business days (not guaranteed) — $8.95 |
| Expedited | FedEx 2-Day $11.95 · UPS 2-Day $19.95 · FedEx Next Day $44.99 |
| Signature | Required on delivery for orders of $1,000 or more |
How orders are handled
Cold chain protection
Products are stored in industrial-grade freezers prior to shipment to maintain stability and purity.
Secure & protective packaging
Each order is carefully packed to protect against temperature fluctuations, moisture exposure, and physical damage during transit.
Tracking
Once your order has shipped you will receive a tracking number by email, so you can monitor delivery progress.
Shipped from the United States
Orders are dispatched domestically from a U.S.-based operation, so there are no international customs steps.
Delivery times
Shipping times are estimates and begin after order processing. Delays may occur due to carrier issues, weather, or other unforeseen factors, and delivery dates are not guaranteed. Full terms are in our Shipping & Delivery Policy.
For laboratory research use only. Not for human or veterinary use.
Storage conditions at a glance
| Lyophilized, in transit | Stable for shipping for up to 3–4 months |
|---|---|
| Lyophilized, short term | Room temperature is usually adequate for several weeks; refrigeration under 4°C (39°F) is generally acceptable |
| Lyophilized, long term | Freezer at -80°C (-112°F) for several months to years |
| After reconstitution | Refrigerated; stable for up to 30 days |
| Light and moisture | Keep cold and away from light in the original sealed vial |
Why the powder is stable
All of our products are manufactured using the lyophilization (freeze drying) process, which keeps them stable for shipping for up to 3–4 months.
Lyophilization is a unique dehydration process, also known as cryodesiccation, where the peptides are frozen and then subjected to low pressure. This causes the water in the peptide vial to sublimate directly from solid to gas, leaving behind a stable, crystalline white structure known as lyophilized peptide. The puffy white powder can be stored at room temperature until it is reconstituted with bacteriostatic water.
Storing vials on arrival
Once peptides have been received, it is imperative that they are kept cold and away from light. If the peptides will be used in the next several days, weeks or months, short-term refrigeration under 4°C (39°F) is generally acceptable. Lyophilized peptides are usually stable at room temperatures for several weeks or more, so if they will be utilized within weeks or months such storage is typically adequate.
For longer term storage (several months to years) it is more preferable to store peptides in a freezer at -80°C (-112°F). When storing peptides for months or even years, freezing is optimal in order to preserve the peptide’s stability.
After reconstitution
Once the peptides are reconstituted with bacteriostatic water, they must be stored in the fridge to maintain stability. After reconstitution, the peptides will remain stable for up to 30 days.
For laboratory research use only. Not for human or veterinary use.
99%+ Every Batch
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