sourcing, testing & quality assurance
At Panther Peptides, transparency and traceability are central to the way we source our research products. We work closely with a carefully selected network of established suppliers and manufacturing partners in the UK and internationally, with a focus on product consistency, analytical testing, batch documentation and reliable long-term supply.
our sourcing process
Panther Peptides works with a select network of established suppliers and manufacturing partners in both the UK and internationally. Rather than relying on a single source, we assess suppliers based on product consistency, analytical documentation, traceability, reliability and our experience with previous batches.
We aim to build long-term relationships with suppliers who can provide consistent research materials together with appropriate supporting documentation.
our relationship with xl peptides
One of the suppliers we work particularly closely with is XL Peptides. A number of research products supplied by Panther Peptides originate from XL Peptides and are subsequently packaged or relabelled under the Panther Peptides brand.
For this reason, you may see XL Peptides named on a number of the Certificates of Analysis (COAs) published in our testing library. Where applicable, these certificates relate to the original product or batch supplied to Panther Peptides.
We believe it is important to be transparent about this relationship rather than removing or obscuring the original supplier information contained within analytical documentation.
Testing and certificates of analysis
Where available, Panther Peptides provides Certificates of Analysis (COAs) and other analytical testing documentation associated with our research products.
Depending on the product and testing performed, documentation may include techniques such as HPLC (High-Performance Liquid Chromatography) to assess the composition and purity profile of a sample, and Mass Spectrometry (MS) to help confirm molecular mass and identity.
Testing documentation relates to the specific sample or batch identified on the relevant certificate. Results from one tested sample should not automatically be interpreted as representing every subsequent batch.
As new testing and analytical documentation becomes available, we will continue to expand our online testing library.
view coaS & lab results
Select a compound below to view the available Certificates of Analysis and laboratory testing documentation.