Ss 31 peptide

When sourcing SS-31 (Elamipretide), the primary benchmark is purity, which should be ≥98% as verified by HPLC (High-Performance Liquid Chromatography). Buyers must also request MS (Mass Spectrometry) reports to confirm the molecular weight and identity. Ensure the product is in a lyophilized powder form for maximum stability during cross-border transit, and verify that the TFA (Trifluoroacetic acid) content is within acceptable limits for your specific research or formulation needs.

SS-31 is a mitochondria-targeting antioxidant peptide. Its primary function is to bind to cardiolipin, preventing mitochondrial oxidative damage and restoring ATP production. It is widely used in biomedical research focusing on anti-aging, neurodegenerative diseases, and cardiovascular health. In a B2B context, it is often sourced by pharmaceutical R&D labs, biotech startups, and specialized cosmetic formulators looking for high-efficacy cellular repair ingredients.

SS-31 is sensitive to temperature and light. Suppliers must demonstrate the ability to provide cold-chain logistics or use vacuum-sealed, light-protected amber vials. For long-term stability, the peptide should be stored at -20°C or -80°C. Ensure the supplier provides a Stability Testing Report to guarantee the peptide remains active after international shipping, especially if transit times exceed 5-7 days.

Professional buyers should prioritize suppliers with ISO 9001 or GMP (Good Manufacturing Practice) certifications. Essential documentation includes a Certificate of Analysis (COA) for every batch, an SDS (Safety Data Sheet) for customs clearance, and a BSE/TSE-free certificate if the product is intended for sensitive biological applications. On Made-in-China.com, look for 'Audited Suppliers' to ensure the factory has undergone third-party verification.

Always request a pre-shipment sample for independent third-party lab testing. Use secure payment methods like those offered on Made-in-China.com that provide escrow services, ensuring funds are only released upon confirmation of quality. Avoid suppliers who cannot provide real-time HPLC/MS data for the specific batch you are purchasing.

SS-31 is often classified under HS Code 293719 (Hormones, prostaglandins, etc.) or 293399 (Heterocyclic compounds). Regulations vary significantly by country; for example, the US FDA or EU EMA may have strict guidelines on 'Research Use Only' (RUO) labeling. Ensure your commercial invoice and packing list clearly state the intended use to avoid customs seizures or delays.

Peptide pricing is heavily influenced by synthesis scale. Negotiate based on graduated volume tiers; for instance, the price per gram for a 100g order should be 20-40% lower than a 1g sample. Inquire about long-term supply agreements or 'blanket orders' to lock in lower rates despite fluctuations in raw material costs.

For high-value peptides like SS-31, use express couriers (FedEx, DHL, or UPS) with insulated packaging and dry ice or gel packs. Request 'Door-to-Door' service with customs clearance assistance. Ensure the supplier provides a tracking number immediately and monitors the temperature-sensitive cargo throughout the journey.