SS-31 Price: What Research-Grade Actually Costs

At a glance: What determines SS-31 price?

The cost of research-grade SS-31 reflects four core operational inputs: chemical synthesis complexity, chromatographic purification, multi-assay testing, and compliant US logistics. High-purity peptides require multi-stage solid-phase peptide synthesis (SPPS) followed by reverse-phase high-performance liquid chromatography (RP-HPLC) to remove truncated fragments and isomers.

Suspiciously low pricing almost always signals truncated peptide sequences, unverified purity, or omitted endotoxin testing. Quality manufacturers invest in lot-specific mass spectrometry (MS) and high-sensitivity endotoxin assays to ensure reproducible in vitro and animal model data. You can inspect live availability and order 10 mg vials of SS-31 directly from our California and Arizona fulfillment hubs.

What is SS-31 (Elamipretide) in laboratory research?

SS-31, frequently referenced in scientific literature as elamipretide or Szeto-Schiller 31, is a synthetic tetrapeptide (D-Arg-dimethylTyr-Lys-Phe-NH2) studied extensively in cell biology and bioenergetics research. In vitro and preclinical studies suggest that elamipretide targets cardiolipin within the inner mitochondrial membrane, stabilizing cristae architecture and reducing electron leak during cellular stress.

Because mitochondrial pathways are sensitive to external contaminants, researchers examining ss31 require exact peptide stoichiometry and freedom from bacterial pyrogens. Using compromised or impure compounds introduces confounding variables in oxidative stress, ATP generation, and membrane potential assays.

Key cost drivers behind research-grade SS-31 peptide synthesis

The market price for SS-31 varies based on chemical purity targets and analytical rigors. While basic peptide synthesis produces crude material quickly, converting that raw material into analytical-grade reagents incurs substantial operational cost. Key cost factors include:

1. Synthesis and Purification Scale: Achieving greater than 98% purity requires repeated RP-HPLC cycles and specialized trifluoroacetic acid (TFA) exchange procedures to yield a consistent trifluoroacetate or acetate salt formulation.

2. Analytical Validation: Independent third-party testing accounts for a major portion of production costs. Validating mass identity via Electrospray Ionization Mass Spectrometry (ESI-MS) and purity via HPLC requires dedicated equipment and certified laboratory personnel.

3. Endotoxin Control: Cell culture and animal model experiments demand strict pyrogen controls. Quantitative chromogenic LAL (Limulus Amebocyte Lysate) testing ensures endotoxin levels remain below strictly monitored thresholds.

4. Domestic Overhead and Cold-Chain Logistics: USA-based synthesis, climate-controlled lyophilizate storage, and fast domestic transit eliminate freeze-thaw cycles that destabilize sensitive peptide chains during transit.

Why cheap SS-31 is a red flag: Underfilling, impurities, and endotoxin risks

Offshore vendors and discount re-sellers frequently offer SS-31 at prices that fail to cover basic analytical validation. Laboratory buyers should recognize the structural risks associated with under-priced reagents:

Underfilled or Inconsistent Vials: Discount suppliers often rely on visual estimation rather than precise gravimetric or spectrophotometric fill measurements, leading to significant lot-to-lot concentration variance.

Omitted Endotoxin Testing: Gram-negative bacterial lipopolysaccharides (LPS) cause acute inflammatory responses in cell culture and animal models, invalidating experimental results. Unchecked cheap peptides frequently contain elevated endotoxin levels.

Missing or Recycled COAs: Low-cost vendors regularly attach generic, static Certificates of Analysis across multiple batches rather than conducting independent testing on every single synthesis lot.

Residual Solvents and Truncated Sequences: Insufficient wash and purification steps leave residual organic solvents (DMF, piperidine) or incomplete peptide sequences that interfere with mitochondrial assay outcomes.

Evaluating vendor specifications: A structural checklist

When vetting suppliers for SS-31 or other mitochondrial reagents, use these six objective criteria to compare vendors:

Purity Verification: Must guarantee >98% purity by RP-HPLC, with raw chromatograms provided showing integrated peak areas.

Sourcing and Synthesis: Clear declaration of USA-based synthesis and quality management standards rather than untraceable white-label imports.

Lot Traceability: Unique lot numbers printed directly on the vial label matching the exact third-party Certificate of Analysis.

Endotoxin Quantification: Explicit endotoxin limits reported in EU/mg rather than vague assurances or missing data fields.

Fulfillment Speed: Same-day dispatch from domestic facilities to avoid extended transit degradation.

Support Responsiveness: Direct access to technical support agents capable of delivering lot-specific analytical documentation on demand.

Comparing SS-31 with other mitochondrial and cellular research peptides

Investigating cellular bioenergetics often involves comparing SS-31 alongside complementary research compounds. While ss31 specifically targets inner mitochondrial membrane lipid interactions, other peptides act on distinct signaling cascades:

For instance, researchers studying mitochondrial-derived signaling peptides often cross-reference SS-31 data with MOTS-c peptide vials, which regulates metabolic homeostasis via AMPK pathway activation. Similarly, investigators evaluating cellular recovery and tissue repair models frequently pair bioenergetic studies with the BPC-157 research peptide.

To review structural profiles, purity standards, and technical specifications across our complete catalog, explore the all-peptides collection or review detailed methodology articles in the PX1 research library.

Quality assurance standards: Reading HPLC, MS, and endotoxin COAs

A valid Certificate of Analysis for SS-31 must include three primary analytical outputs. First, the High-Performance Liquid Chromatography (HPLC) trace must show a single sharp primary peak, with total integrated area confirming greater than 98% purity.

Second, Mass Spectrometry (MS) analysis must confirm the exact molecular mass of elamipretide, verifying that no amino acid deletions or post-translational modifications occurred during SPPS.

Third, an endotoxin assay report must specify bacterial pyrogen content. PX1 Research publishes lot-specific analytical reports for every batch, accessible prior to purchase. To verify current batch documentation or view current SS-31 pricing and availability, visit our live product portal.

Bulk purchasing vs. small-batch procurement for research labs

Institutional laboratories running high-throughput screens or multi-cohort animal trials can optimize procurement costs through scaled ordering. While single-vial purchases accommodate preliminary pilot studies, multi-vial or custom-fill orders reduce unit costs through bulk synthesis efficiency.

For custom synthesis volumes, specialized vial fill configurations, or institutional purchase orders, explore our dedicated bulk research peptide program to partner directly with our technical fulfillment team.

Storage, stability, and handling costs for SS-31 vials

Maintaining peptide integrity after receipt is critical to preserving your investment. Lyophilized SS-31 should be stored at -20°C in a desiccated environment upon arrival, where it remains stable for extended periods.

Reconstitution should occur using bacteriostatic or sterile research-grade water under laminar flow conditions. Once reconstituted, liquid aliquots should be frozen at -80°C to prevent degradation from repeated freeze-thaw cycles. Factoring proper storage infrastructure into overall laboratory budgeting ensures long-term reagent stability.

Ordering SS-31 from PX1 Research

PX1 Research simplifies laboratory procurement by delivering fully verified, high-purity SS-31 with complete lot transparency. Every order includes lyophilized research material sealed in specialized glass vials designed to minimize surface peptide adsorption.

We process and ship orders same-day when placed Monday through Friday before 3 PM EST from our California and Arizona logistics hubs. Tracked domestic shipping ensures minimal transit times and eliminates international customs clearance delays.

Every batch is paired with a downloadable, lot-specific COA featuring HPLC, MS, and endotoxin test results. For live pricing, quantity tiers, and immediate order placement, buy research-grade SS-31 directly from PX1 Research today.