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Quality standards
Before Peptellect supplies a batch, it has to be traced, tested by an independent laboratory and documented. This is the standard each one must meet, and how you can check it yourself.
The release pathway
A batch moves to the next step only when the one before it is complete. If any step fails, the batch stays on hold.
A manufacturing partner must be approved before its first batch, not after. Approval covers production controls, documentation practices and a record of supplying consistent material.
Each batch is given a lot number on arrival. It follows the material through testing, labelling and dispatch, so any vial can be traced back to its own records.
Mass spectrometry is used to check that the molecule in the vial is the molecule on the label, by comparing its measured mass with the expected value.
High-performance liquid chromatography (HPLC) is used to separate the target compound from related impurities and report how much of the sample it represents.
Release testing is to be carried out by an independent laboratory, not by Peptellect or the manufacturer, so the result does not depend on anyone with a stake in it.
Before release, the name, amount and lot number on the vial are checked against the certificate. A batch whose paperwork and label do not match is not released.
Our Scientific Advisory Board reviews the specifications we publish, so product information stays precise about what is known and what is not.
The certificate
The certificate of analysis is the record of what the laboratory found in one specific batch. Each one includes:
Check it yourself
Ours included. A certificate is only useful if it stands up to these.
Questions
Yes. Products marked in stock can be ordered now. Certificates are published on each product page as batches are tested.
Scan the QR code on the vial or open its product page. The gallery shows the certificate status for that product, and once a batch is supplied you can ask us for the certificate for its lot number.
Yes. Under this standard, each batch must pass identity and purity testing before it is released, and a batch that does not meet its specification is not sold.
A laboratory with no commercial interest in the outcome gives a result you can rely on. It also lets you check the certificate with the laboratory that issued it.
Follow the storage conditions on the documentation for the exact material and lot. Different compounds and formulations have different requirements, so we do not give one rule for everything.
No. Peptellect materials are supplied for laboratory research only. They are not for human or veterinary use.
See the standard in practice
For laboratory research use only. Not for human or veterinary use. Not for consumption, administration, diagnosis, treatment, or prevention of disease.