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Peptides you can put a certificate against

Every lot is tested by an independent laboratory before it is released, and the certificate that testing produced is published against the lot number.

Browse the catalog Check a lot number

All products are sold for laboratory research use only. Not for human or veterinary use, not for diagnostic or therapeutic use, and not for consumption of any kind.

  • ≥99%Minimum released purity
  • 3rd partyIndependent assay on every lot
  • 24hOrders out the door
  • −20°CCold storage from synthesis to shipping

In stock now

Listed with the lot currently shipping. The purity shown is the released figure from the independent assay, not a specification target.

Why the lot number matters

A purity figure on a website is a claim. A purity figure tied to a lot number, with the certificate behind it, is something you can check. Every vial we ship carries the lot it was released under, and that lot pulls up its own certificate here.

  1. Synthesis

    Solid-phase synthesis, then cleavage and lyophilisation under controlled humidity.

  2. Purification

    Preparative reversed-phase HPLC until the main peak clears the release threshold.

  3. Independent assay

    A sample from the finished lot goes to a third-party lab for identity and purity by HPLC and mass spectrometry.

  4. Release

    The lot ships only once the certificate is on file, and that certificate is published against the lot number.

Look up a lot

Every vial is labelled with a lot number. Email that number to support@wolfpeptide.com and we will send the certificate of analysis that lot was released under, usually the same business day.

The certificate for the lot currently shipping is also linked on each product page.