Tools

Peptide COA checker

Open any peptide certificate of analysis, from any seller, and answer the ten questions below. The checker scores how complete the report is and lists what it leaves out. Nothing you enter leaves this page.

This checks a document, not a product. It is not medical advice.

1. 01

   Is there a lot number, and does it match the vial?

   A report only speaks for the batch it tested.

   YesNoCan't tell

2. 02

   Does the tested amount match the strength on the label?

   A report on a 10 mg sample does not verify a 20 mg vial.

   YesNoCan't tell

3. 03

   Is identity confirmed by mass spectrometry?

   HPLC alone shows purity, not what the compound is.

   YesNoCan't tell

4. 04

   Is purity reported as a number from HPLC?

   “High purity” with no figure is marketing, not a result.

   YesNoCan't tell

5. 05

   Is the lab named, with contact details you can check?

   A lab you can find is a lab you can ask about the result.

   YesNoCan't tell

6. 06

   Is the lab accredited (for example ISO/IEC 17025)?

   Accreditation means its methods are audited.

   YesNoCan't tell

7. 07

   Is the report dated, and recent enough to be current stock?

   An old report may describe a batch that sold out long ago.

   YesNoCan't tell

8. 08

   Does the lab offer a way to verify the report?

   A verification code or portal rules out an edited PDF.

   YesNoCan't tell

9. 09

   Were contaminants tested (endotoxin, heavy metals, sterility)?

   Many reports skip them. Missing is not the same as clean.

   YesNoCan't tell

10. 10

    Is the same report reused across lots or strengths?

    One document on many products is the most common red flag.

    YesNoCan't tell

Why each check matters → · Try it on a Torrey Labs report →