Every batch ships with a COA confirming identity and purity. Sourced from vetted Chinese manufacturers, warehoused in the UK and US for fast delivery.
Risynth Bio partners directly with over 24 GMP and ISO-certified peptide synthesis facilities across China. Every batch ships with a full Certificate of Analysis covering identity, purity (HPLC), and endotoxin levels. We maintain inventory in both our UK and US warehouses so you receive stock quickly without navigating international logistics yourself.
Each supplier undergoes an on-site audit, documentation review, and trial batch assessment before approval. We re-audit annually.
Every product ships with a batch-specific COA. We hold over 500 COAs on file and can provide historical documentation on request.
In-stock items ship same day from our UK (Manchester) or US (Delaware) warehouses. Custom synthesis typically ships within 2-3 weeks.
Independent third-party HPLC and mass spec verification available on request. We stand behind every product we distribute.
Ready-to-ship inventory covering the UK and EU. Most orders dispatch same business day with next-day delivery available.
Serves North American customers. Domestic USPS and FedEx shipping keeps transit times short and costs low.
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