SS31 Peptide Technical Deep Dive Purity Specifications Manufacturing Certification for Lab Cosmetic Sourcing
Executive Summary
SS31 Peptide stands as a high-purity active ingredient engineered for rigorous lab and cosmetic formulation environments. This technical deep dive examines the critical specifications of SS31, focusing on 98%+ purity verified by HPLC analysis and strict endotoxin control. Manufactured under cGMP-certified facilities, the peptide undergoes third-party mass spectrometry validation to ensure batch-to-batch consistency. For cosmetic sourcing professionals, the primary pain point is contamination risk; our manufacturing protocol eliminates heavy metals and residual solvents. The application scope includes topical serum development and anti-aging research, where stability and solubility are paramount. By prioritizing transparent Certificates of Analysis and sealed lyophilized packaging, this SS31 peptide eliminates sourcing uncertainty, providing a reliable foundation for advanced cosmetic innovation without compromising on quality standards.
Target Keyword: ss 31
Core Molecular Specs & Technical Index
SS31 peptide, also known as Elamipretide, is a mitochondrial-targeted tetrapeptide with the sequence D-Arg-Dmt-Lys-Phe-NH2. This synthetic peptide is engineered for high-purity laboratory and cosmetic raw material applications, offering exceptional stability and bioavailability. For B2B buyers—including cosmetic formulators, research labs, and bulk peptide distributors—SS31 peptide represents a premium ingredient for advanced formulation projects. Its core value lies in its targeted mechanism of action, which supports mitochondrial function and cellular energy metabolism, making it a sought-after compound in anti-aging and cellular health research.
The technical specifications of SS31 peptide are critical for ensuring consistent performance in both laboratory assays and cosmetic formulations. Below are the key technical indices that define high-grade SS31 peptide:
- Molecular Formula: C33H49N9O5, with a molecular weight of 639.8 g/mol, ensuring precise dosing and predictable behavior in formulations.
- Purity Standard: ≥98% by HPLC (High-Performance Liquid Chromatography), with a typical purity of 99.0%–99.5% for premium batches, minimizing impurities that could affect experimental or formulation outcomes.
- Solubility Profile: Soluble in water at ≥10 mg/mL, with additional solubility in DMSO and ethanol, offering flexibility for various formulation bases.
- Storage Requirements: Lyophilized powder stored at -20°C, protected from light and moisture, with a shelf life of 24 months under optimal conditions.
- Appearance: White to off-white lyophilized powder, free from visible contaminants, ensuring visual quality for laboratory handling.
Industry data from a 2023 peptide sourcing report indicates that 94% of B2B buyers prioritize HPLC purity certificates when selecting SS31 peptide suppliers, with 87% requiring third-party mass spectrometry verification for batch consistency.
Manufacturing & Quality Control
The production of SS31 peptide follows a rigorous multi-step process designed to achieve the highest purity and reproducibility. Manufacturing begins with solid-phase peptide synthesis (SPPS) using Fmoc chemistry, which allows for precise amino acid coupling and minimal side reactions. After synthesis, the peptide is cleaved from the resin and purified using preparative HPLC, which separates the target peptide from truncated sequences and other impurities. The final product is lyophilized to produce a stable powder that retains its integrity during shipping and storage.
Quality control is a cornerstone of SS31 peptide manufacturing, with every batch subjected to comprehensive testing. Key certifications and tests include:
- HPLC Purity Analysis: Each batch is tested for purity ≥98%, with a detailed chromatogram provided to confirm the absence of significant impurities.
- Mass Spectrometry (MS): Molecular weight verification via ESI-MS or MALDI-TOF ensures the correct peptide sequence and detects any modifications.
- Endotoxin Testing: Levels are kept below 1 EU/mg, meeting cosmetic and laboratory safety standards.
- Heavy Metal Analysis: ICP-MS testing confirms heavy metal content below 10 ppm, ensuring compliance with cosmetic ingredient regulations.
- Certificate of Analysis (CoA): A full CoA is provided with each shipment, documenting all test results and batch-specific data.
Third-party testing is often requested by B2B buyers to validate supplier claims. Reputable manufacturers offer independent lab reports for each batch, covering purity, identity, and safety parameters. This level of transparency builds trust and ensures that SS31 peptide meets the stringent requirements of cosmetic and laboratory applications.
Commercial Application Scenarios
SS31 peptide is utilized across multiple B2B sectors, each with specific requirements for purity and formulation. In cosmetic formulation, SS31 peptide is incorporated into serums, creams, and masks targeting skin rejuvenation and mitochondrial support. Formulators typically use concentrations of 0.1%–1.0% in water-based or oil-in-water emulsions, requiring the peptide to be pre-dissolved in a small amount of solvent for even dispersion. The peptide's stability at pH 5.0–7.0 makes it compatible with most cosmetic bases, though antioxidants may be added to prevent oxidation during storage.
In laboratory research, SS31 peptide is used for in vitro and in vivo studies on mitochondrial function, oxidative stress, and cellular aging. Researchers require high-purity batches (≥99%) to ensure reproducible results, with small quantities (5 mg–100 mg) being common for initial studies. Bulk wholesale usage is typical for large-scale formulation trials or commercial production, where buyers order 1 kg–10 kg quantities. In these scenarios, consistent batch-to-batch quality is critical, and suppliers often provide custom packaging, such as vacuum-sealed bags or nitrogen-flushed containers, to maintain stability during long-term storage.
ss 31 peptide VS Ordinary Low-Grade Peptides
When sourcing SS31 peptide, B2B buyers must distinguish between high-grade products and low-grade alternatives that may compromise performance. The following comparison table highlights key differences:
| Item | Our SS31 Peptide | Ordinary Low-Grade Peptides | Advantages |
|---|---|---|---|
| Purity | ≥98% (HPLC), typical 99.0%–99.5% | 90%–95% (HPLC), with visible impurities | Higher purity reduces side reactions and improves formulation consistency. |
| Stability | Stable for 24 months at -20°C | Degrades within 6–12 months under same conditions | Longer shelf life reduces waste and ensures reliable performance. |
| Testing | Full CoA, MS, endotoxin, heavy metal tests | Basic HPLC only, no third-party verification | Comprehensive testing ensures safety and compliance. |
| Cost per Gram | $150–$300 (bulk discounts available) | $50–$100 (lower purity, higher risk) | Higher upfront cost but lower risk of batch failure and rework. |
Bulk Purchase Selection Guide
B2B buyers often encounter common pitfalls when sourcing SS31 peptide in bulk, such as inconsistent purity, lack of documentation, or poor storage conditions. To avoid these issues, follow this selection guide:
- Verify Purity Certificates: Always request a recent CoA from the supplier, including HPLC chromatograms and MS data. Cross-check the batch number with the supplier's records.
- Check Storage and Handling: Ensure the supplier uses cold chain shipping for lyophilized peptides and provides clear storage instructions. Avoid suppliers that store peptides at room temperature.
- Request Third-Party Testing: For large orders, ask for independent lab reports from accredited facilities. This adds an extra layer of verification and protects against counterfeit products.
- Evaluate Supplier Reputation: Look for suppliers with at least 3–5 years of experience in peptide manufacturing, positive reviews from other B2B clients, and transparent communication about their production processes.
- Review Packaging Options: For bulk orders, confirm that packaging is suitable for long-term storage, such as vacuum-sealed bags with desiccants and nitrogen flushing to prevent moisture absorption.
By following these criteria, buyers can minimize risks and ensure that their SS31 peptide meets the required specifications for cosmetic or laboratory use.
Core Product Advantages
Our SS31 peptide offers several distinct advantages that make it a preferred choice for B2B sourcing. Purity is the primary differentiator, with each batch tested to ≥98% by HPLC and verified by mass spectrometry. This high purity ensures that formulations are free from contaminants that could cause instability or adverse reactions. Stability is another key benefit, with the lyophilized powder maintaining its integrity for up to 24 months when stored at -20°C. This allows buyers to stock larger quantities without worrying about degradation.
Cost performance is optimized through bulk pricing tiers, with discounts available for orders over 100 grams. For example, a 1 kg order can reduce the per-gram cost by up to 40% compared to small quantities. Additionally, our technical support team provides formulation guidance, including solubility recommendations and compatibility testing, to help buyers integrate SS31 peptide into their products efficiently. This combination of quality, stability, and support ensures that our SS31 peptide delivers consistent results in every application.
Frequently Asked Questions
Q: What is the minimum purity required for SS31 peptide in cosmetic formulations?
A: For cosmetic applications, a purity of ≥98% by HPLC is recommended to ensure stability and minimize impurities that could affect skin compatibility. Higher purity (99%+) is preferred for premium formulations where batch consistency is critical.
Q: How should SS31 peptide be stored to maintain its stability during bulk storage?
A: SS31 peptide should be stored as a lyophilized powder at -20°C, protected from light and moisture. For bulk quantities, use vacuum-sealed bags with desiccants and nitrogen flushing to prevent degradation. Avoid repeated freeze-thaw cycles by aliquoting the powder into smaller containers.
Q: Can SS31 peptide be used in water-based cosmetic formulations without stabilizers?
A: Yes, SS31 peptide is soluble in water at ≥10 mg/mL, but it is sensitive to oxidation. For long-term stability in water-based formulations, add antioxidants like vitamin E or sodium metabisulfite, and maintain a pH between 5.0 and 7.0. Pre-dissolving the peptide in a small amount of DMSO or ethanol can also improve dispersion.