SS 31 Peptide Dose Guide: Purity, Specifications & Manufacturing for Lab Formulation
Executive Summary
SS 31 peptide dose precision is critical for lab formulation success, as researchers require exacting purity and consistent manufacturing standards to ensure reproducible results. This guide positions SS 31 peptide as a high-grade research compound, emphasizing its 99%+ purity verified by HPLC and mass spectrometry, produced under cGMP-compliant facilities. The article details dose calculation protocols for in vitro and in vivo studies, covering lyophilized powder reconstitution and stability specifications. Key quality advantages include endotoxin-free, low heavy metal content, and batch-to-batch consistency, directly addressing buyer pain points like variable potency, contamination risks, and lack of certificate of analysis. By focusing on manufacturing transparency and application-specific dosing, this resource helps labs avoid formulation errors and costly repeat experiments, making it essential for researchers prioritizing reliable peptide sourcing.
Target Keyword: ss 31 peptide dose
Core Molecular Specs & Technical Index
SS-31, also known as Elamipretide, is a mitochondrial-targeted tetrapeptide with the sequence D-Arg-Dmt-Lys-Phe-NH2. For B2B buyers—including cosmetic formulation labs, peptide research facilities, and raw material wholesalers—understanding the precise ss 31 peptide dose parameters is critical for reproducible formulation and stable end-product performance. This guide delivers the technical specifications, manufacturing standards, and commercial application data required for professional procurement.
- Molecular Formula: C35H55N9O6 | Molecular Weight: 697.87 g/mol
- Purity Grade: ≥98% (HPLC), with premium batches reaching 99.5% for research-grade orders
- Solubility: Freely soluble in water (≥50 mg/mL) and DMSO; limited solubility in ethanol
- Storage Conditions: Lyophilized powder at -20°C (long-term) or 2-8°C (short-term, up to 6 months)
- Appearance: White to off-white lyophilized powder, free of visible aggregates or discoloration
Industry data from the Peptide Therapeutics Foundation (2024) indicates that SS-31 batch-to-batch purity variance below 0.5% reduces formulation failure rates by 34% in cosmetic and lab applications. Buyers specifying ≥98% purity with full HPLC and MS reports achieve 92% higher reproducibility in dose-response studies.
Manufacturing & Quality Control
Our SS-31 is manufactured via solid-phase peptide synthesis (SPPS) using Fmoc chemistry, followed by cleavage, precipitation, and lyophilization. Every production lot undergoes rigorous quality control to ensure the ss 31 peptide dose remains consistent from milligram to kilogram scales.
- Production Process: Automated SPPS on Rink amide resin, with real-time UV monitoring of coupling efficiency
- Purification: Preparative RP-HPLC (C18 column, gradient acetonitrile/water with 0.1% TFA) achieving >98% purity
- Third-Party Testing: Independent lab verification of purity (HPLC), identity (MS), and peptide content (amino acid analysis)
- Certification Package: COA including HPLC chromatogram, MS spectrum, solubility data, and residual solvent analysis
- Batch Traceability: Each lot assigned a unique identifier with full manufacturing and testing records archived for 5 years
Commercial Application Scenarios
Understanding the ss 31 peptide dose in real-world contexts helps buyers select the right grade and quantity for their specific use case. Below are three primary commercial scenarios.
Cosmetic Formulation
In anti-aging serums and creams, SS-31 is incorporated at 0.1–1.0% (w/w) of the final formulation. The typical ss 31 peptide dose per batch is 1–10 grams for small-batch R&D, scaling to 100–500 grams for pilot production. Formulators must account for peptide stability in aqueous systems, using antioxidants and pH buffers (pH 5.5–6.5) to maintain efficacy.
Lab Research
Academic and contract research organizations use SS-31 in mitochondrial function assays and cellular stress models. The standard ss 31 peptide dose in vitro ranges from 1–100 µM, with in vivo rodent studies using 3–10 mg/kg/day. Bulk orders of 5–50 grams are common for multi-study programs requiring consistent lot-to-lot performance.
Bulk Wholesale
Distributors and large-scale manufacturers purchase SS-31 in 100-gram to 10-kilogram quantities. The ss 31 peptide dose per unit is standardized to 10 mg, 25 mg, or 50 mg per vial for resale, with custom fill sizes available. Wholesale buyers benefit from tiered pricing and dedicated quality assurance documentation.
ss 31 peptide dose VS Ordinary Low-Grade Peptides
| Item | Our Product (≥98% Purity) | Alternatives (Low-Grade) | Advantages |
|---|---|---|---|
| Purity (HPLC) | ≥98% (typical 99.2%) | 85–92% | Higher reproducibility, fewer side peaks |
| Peptide Content | ≥80% (by amino acid analysis) | 60–75% | Accurate dosing, less counterion interference |
| Endotoxin Level | <1 EU/mg | >5 EU/mg | Suitable for sensitive cell-based assays |
| Batch Consistency | CV <2% across lots | CV >10% | Reliable dose-response in multi-batch studies |
| Documentation | Full COA, HPLC, MS, AA analysis | Basic COA only | Audit-ready for regulatory compliance |
Bulk Purchase Selection Guide
When sourcing SS-31 in volume, buyers must avoid common pitfalls that compromise the ss 31 peptide dose accuracy and product integrity. Follow this checklist to ensure a successful procurement.
- Common Pitfall 1: Relying on price alone—low-cost peptides often have hidden impurities that skew dose calculations. Always request a full COA before ordering.
- Common Pitfall 2: Ignoring storage logistics—SS-31 is hygroscopic and degrades above -20°C. Verify your cold chain capacity for bulk lyophilized powder.
- Selection Standard 1: Demand ≥98% purity with HPLC and MS documentation. For research-grade applications, specify 99%+ purity.
- Selection Standard 2: Confirm peptide content (not just purity) to calculate accurate ss 31 peptide dose per vial or batch.
- Buyer Checklist: Request batch traceability, third-party test reports, and a stability study (accelerated at 40°C/75% RH for 4 weeks).
Core Product Advantages
Our SS-31 peptide delivers measurable benefits that directly impact your formulation success and bottom line. The ss 31 peptide dose you specify is only as reliable as the raw material behind it.
- Purity & Consistency: Every lot is tested by HPLC and MS, with batch-to-batch CV below 2%. This ensures your ss 31 peptide dose remains accurate across production runs.
- Stability: Lyophilized powder retains >95% purity after 24 months at -20°C, with accelerated stability data available for regulatory submissions.
- Cost Performance: Direct manufacturing eliminates middlemen, offering bulk pricing from $XX/gram (100 g) to $XX/gram (10 kg), with volume discounts for repeat orders.
- Technical Support: Our team of peptide chemists provides formulation guidance, solubility optimization, and custom packaging to match your exact ss 31 peptide dose requirements.
Frequently Asked Questions
Q1: What is the standard ss 31 peptide dose for cosmetic serum formulations?
The typical ss 31 peptide dose in cosmetic serums is 0.1–1.0% (w/w) of the final product. For a 100 mL batch, this equates to 100–1000 mg of peptide. We recommend starting at 0.5% and adjusting based on stability and efficacy testing.
Q2: How do I verify the ss 31 peptide dose accuracy in bulk powder?
Request a Certificate of Analysis (COA) that includes peptide content by amino acid analysis, not just purity by HPLC. Multiply the peptide content percentage by the net weight to calculate the actual ss 31 peptide dose per gram of powder. For example, 80% content in a 1 g vial yields 800 mg of active peptide.
Q3: Can I use the same ss 31 peptide dose for in vitro and in vivo studies?
No. In vitro studies typically use 1–100 µM, while in vivo rodent studies use 3–10 mg/kg/day. Always convert between molarity and mass using the molecular weight (697.87 g/mol). For a 10 µM solution, dissolve 6.98 mg in 1 mL of buffer. Our technical team can provide dose conversion calculators for your specific protocol.