Research Peptides,
Proven Pure.
Verified ≥99% purity, independently tested, with a public certificate on every batch. US shipping, out the door in 24 hours.

Why Sonoran Labs
Rigor engineered into every vial.
We don't sell hope. We sell precisely measured, independently verified compounds — with the paperwork to prove it.
Third-Party Analytical Testing
Every batch is sent to an independent lab for HPLC purity and mass-spec identity. Not our word — theirs.
≥99% Verified Purity
We publish full certificates of analysis. Purity below spec doesn't ship. Full stop.
Certificates of Analysis
Download a batch-specific COA PDF directly from any product page. Full transparency, always public.
Fast, Insulated Shipping
Ships in insulated packaging within 24 hours of order confirmation. United States only.
Secure Checkout
Orders are placed over an encrypted connection. We never ask for or store card details on the site.
Research-Use Only
We supply the research community. Compliance is engineered into every step of our operation.
Research Quality Standards
From synthesis to shipment,
Every peptide moves through a documented verification chain, and batches that fall below our purity specification are not sold.
- 01
- SynthesisSolid-phase peptide synthesis with documented standard operating procedures.
- 02
- In-House QCHPLC purity screen against a reference standard.
- 03
- Third-Party VerificationSample sent to an independent lab for HPLC purity and mass-spec identity.
- 04
- Specification CheckResults reviewed against our purity specification before release.
- 05
- Batch ReleaseCertificate of analysis published and the batch assigned before shipping.

No Trust Required
Don't take our word for it.
Every batch we ship has a certificate of analysis from an independent lab. Pull one up before you buy — not after.
Public certificates
Every product page links its current batch's COA. No account, no request form.
Independent labs
Testing is performed by accredited third-party laboratories, not run in-house.
Batch traceability
Every vial is stamped with a batch number you can match directly to its COA.
Stay Informed
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