Certificates of Analysis (COA)
Each certificate covers a single batch. Ask, and the document sent to you is the one for the material you received.
What is on a certificate?
| Line | Meaning |
|---|---|
| Batch | Which material the result applies to |
| Compound and amount | What was tested, and the quantity |
| Purity | The HPLC figure, what it measures |
| Method | The analytical technique |
| Date | When the test was run |
How can I get a certificate?
Email us and ask; the certificate we send is the one for the material you received. Before ordering, give us the compound and size and you will hear what current stock's certificate shows.
Which batch does a certificate cover?
A certificate speaks for one batch only, the one it was issued against. Any later batch is different material, tested separately, and it comes with its own paperwork.
Certificates of Analysis (COA) questions
Is a certificate of analysis available?
Yes, on request, and it covers the exact batch that was shipped to you; just ask us by email.
Is it possible to see a certificate before I order?
Yes. Give us the compound and size, and you will hear what the certificate for current stock records.
Why is there no certificate gallery on the site?
Each certificate covers only one batch, so a published gallery would say nothing about the vial you hold. Instead, we match the document to your vial.