Read a COA one test at a time. Identity, purity, fill and endotoxin results answer different questions. Keep the reported method, unit, specification and qualifiers attached to each value. Do not replace a less-than sign with zero or treat a missing result as a pass.
Reading the rows in our published report example
| Row | What to read | What not to infer |
|---|---|---|
| Mass spectrum / identity | Recorded mass and method against the stated specification | That every other test passed |
| Purity | The reported percentage and analytical method | That the same percentage is net peptide content |
| Peptide content | Its separate result and definition in the report | That it is the same as nominal fill |
| Actual fill | Measured quantity, units and nominal specification | That a label is itself a measured result |
| Bacterial endotoxins | Result, qualifier, units and stated limit | That a less-than result means zero or proves sterility |
These row names come from the published RT10 example. Different reports can contain different tests. Read the terminology used by the specific report rather than forcing every record into the same labels.
Preserve qualifiers and units
A result written as “less than” a threshold states a bound, not an exact measured value of zero. A value in mg cannot be compared directly with a percentage or a result in EU/mg. If multiple components are measured in a blend, retain the component name beside each result.
Use the original report for context
The summary makes the reported values easier to read. The original document contains the complete context and is the reference if a summary appears inconsistent. Contact support about any discrepancy. Neither a purity percentage nor a set of passing results establishes suitability for human or animal use.
Evidence and related pages
This guide describes how to read our product and batch records. It does not establish suitability for human or animal use. Products are for laboratory research only. Published by CertiPeptide.