Third-Party Peptide Testing Service
Send us your peptides.
We'll test them.
Whether you bought from us or somewhere else, our analytical lab partner will run the same seven-method panel we run on every OPTMZ batch. You’ll receive a complete Certificate of Analysis you own outright — yours to publish, share, or archive.
Why we offer this
A vendor-side service, made open to anyone.
The research peptide market runs on opacity. Suppliers publish unverified purity claims. Buyers have no path to independent verification, and no recourse when claims don’t hold.
OPTMZ Peptides built its own supply on third-party verification — every batch tested by Krause Analytical, every Certificate of Analysis published. Our testing service extends that same verification framework to researchers who need it for samples that didn’t come from us.
The same lab partner
Krause Analytical, DEA-registered, Austin TX — same lab that tests every OPTMZ batch. Same analysts, same protocols, same reference standards.
The same seven-method panel
HPLC, mass spectrometry, endotoxin (LAL), heavy metals (ICP-MS), microbial, pH stability, visual. The full analytical workup that every released OPTMZ batch must pass.
The COA is yours
The Certificate of Analysis is delivered to you as a PDF. We don’t gatekeep it. Publish it, share it with your institution, attach it to grant documentation, archive it however you need.
Independence guaranteed
OPTMZ doesn’t own Krause Analytical. We can’t influence the result. Krause tests for multiple research-supply customers — they have no financial reason to bias any one supplier’s outcome.
When to use this service
Four common ways researchers use this service.
If your work depends on the integrity of the input material, independent verification is worth running before you scale.
Confirm a competitor’s purity claim
You’re considering a vendor that publishes a purity number but no supporting documentation. Send us a sample and receive an independent reading before you commit a research budget.
Third-party validation on synthesized samples
Your own lab synthesized a compound and you need outside analytical confirmation. We provide the same documentation framework we use for our internal catalog.
Generate a COA for institutional records
Your IRB, research-facility documentation, or grant application requires an independent Certificate of Analysis. The COA you receive is suitable for institutional submission.
Run side-by-side panels on multiple sources
Compare quality across suppliers without taking their word for it. Submit samples from multiple vendors, receive separate COAs, decide where to source from based on data.
The process
Three steps. Seven to ten business days.
The submission flow is intentionally simple. The work happens at the lab.
Send
Request a submission kit through our contact form. Select “Custom testing request” from the subject dropdown so it routes to the right team.
- Submit the request through the contact form
- Receive your pre-paid mailer within 1–2 business days
- Mail your sample to Krause Analytical, Austin TX
Test
The lab logs your sample on receipt and runs the full seven-method analytical panel — same protocols as every OPTMZ batch.
- HPLC for purity quantification
- Mass spectrometry for identity confirmation
- Endotoxin, heavy metals, microbial, pH, visual
Receive
The full Certificate of Analysis is delivered to you as a PDF. It includes every method, every reading, and the analyst’s signature.
- Email delivery + downloadable archive
- Yours to publish, share, or archive
- Independent verification available by calling Krause directly
The deliverable
The Certificate of Analysis is yours.
Every submission generates the same document format we publish for our own catalog. Same fields, same rigor, same lab attribution — just with your sample’s data instead of ours.
The data on the COA is yours. OPTMZ does not retain control, publish your result, or share it without your permission.
The methodology
The same seven methods. The same standard.
Your sample runs through the identical analytical panel we use for every OPTMZ batch before release.
The methodology
Ready to send a sample?
Open the contact form and select “Custom testing request” from the subject dropdown. We’ll respond with a submission kit, pre-paid mailer, and tracking labels within one to two business days.
Common questions
About the testing service.
How do I submit a sample?
Open the contact form and select “Custom testing request” from the subject dropdown. Include any relevant context — what you’re testing, what scope you’re looking for, and any institutional or batch details.
We respond with a pre-paid mailer, sample-tracking labels, and a one-page intake form within one to two business days. You include your sample and the form in the mailer and drop it in any USPS box.
What's the minimum sample size?
Typical minimum is 5mg for the full seven-method panel. Smaller samples may be accepted if a reduced scope (e.g., HPLC + MS only) is sufficient for your purposes. Confirm sample size requirements at intake — we’ll let you know before you ship if your sample is below the threshold for the panel you’ve requested.
How long does the full process take?
- Submission kit shipped to you: 1–2 business days
- Your mailer to the lab: 1–3 days transit
- Analytical panel at the lab: 5–7 business days
- COA delivered to you: within 24 hours of completion
Can I publish the COA I receive?
What happens if my sample tests below the standard?
The COA reflects what the lab measured. If your sample’s HPLC purity comes back below 98% — or any other test panel shows a result outside expected ranges — the COA documents that result. We don’t filter or reframe it. The value of independent verification is that it tells you what’s actually there, including when the result is unfavorable.
What you do with the result is your call: continue using the sample, return it to the supplier, request a refund from them, or document it for your records.
