Batch-Tested · Third-Party Verified

Don't trust the label.
Trust the certificate.

Every batch is sent to an outside lab for purity and identity testing before it ships. The code on your vial pulls up the result that batch actually produced — not a number we printed.

Certificate of Analysis Sample

Semaglutide 10 mg

PB-260115-SEMA10

Method
RP-HPLC · UV 214 nm
Retention
8.41 min
Identity
Confirmed by MS
Analyzed by
Independent third-party lab

Purity 99.4%

Independent lab testing

Analyzed by a third-party diagnostics lab, not our own team.

COAs on request

Every batch is independently tested — request its Certificate of Analysis any time.

Same-day dispatch

Orders placed before 2pm ET ship the same business day.

≥98% purity standard

Every SKU is held to a minimum purity threshold, no exceptions.

Our standard

Purity isn't a claim
on our label. It's a number
on your screen.

Most suppliers ask you to take their word for it. We'd rather you check. Each label carries a batch code that traces to a real chromatography result — synthesis date, purity percentage, and testing lab — sent to you on request.

Printed on every vial we ship, directly beneath the batch code.

How verification works

Three checks, before anything ships.

Traceability isn't a marketing line here — it's the order of operations for every batch we release.

Shop the catalog
01

Synthesis & in-house QC

Each peptide is synthesized to spec and screened in-house before it's cleared for third-party review.

02

Independent lab analysis

A sample from every batch is sent to an outside diagnostics lab for HPLC purity and mass spec identity testing.

03

Vacuum-sealed & logged

Vials are vacuum-sealed, labeled with a batch code, and logged for traceability — the Certificate of Analysis is available on request.

About Pivotal Biolabs

Built for researchers who ask for the data.

Pivotal Biolabs started as a reaction to a market where "premium" is a word on a label, not a number in a report. We work with one synthesis partner and one outside testing lab so every batch follows the same chain of custody, start to finish.

Every compound we carry is sold strictly for laboratory research — not for human or veterinary use — and every vial ships with a batch code you can look up yourself, any time, before you open it.

Read the FAQ

Frequently asked

Questions researchers ask us first

No. Every product on this site is sold strictly for laboratory research use. Nothing we sell is intended for human or veterinary consumption, clinical use, or diagnostic application.
Enter the batch code printed on your vial label into the COA Library to confirm the compound, then email us the code — we'll send the HPLC purity result and identity test from the independent lab that ran it.
Lyophilized peptides should be kept at -20°C for long-term storage and used well before their stated expiry once reconstituted and refrigerated. Full handling guidance ships with every order.
See all FAQs

Ready to verify your own research?

Browse the catalog, or pull a Certificate of Analysis before you commit to a batch.