Lot-locked purity
Every 20 Aminos release clears a 99%+ purity threshold before it ships. The number on the COA is the number you bought, not an aspirational claim.
Our peptides are designed to support reliable, high quality research. All batches are COA verified.
Every compound in the 20 Aminos catalog is produced and lyophilized in GMP-compliant laboratories, ensuring exceptional purity and consistent lot-to-lot quality.
View productsEvery release is supported by a lot-specific Certificate of Analysis, giving full visibility into purity, identity, and integrity. All verification runs through certified U.S. testing labs.
View COAs
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
Premium research peptide. Lyophilized powder with lot-specific COA. For laboratory research use only.
From production floor to your front door, every order follows the same workflow.
Every peptide in the 20 Aminos catalog is produced in U.S. or GMP-compliant laboratories with strict raw-material controls and a tightly held coupling-chemistry SOP, built for purity, consistency, and structural fidelity.
Each lot is sent for third-party HPLC purity analysis and ESI-MS identity confirmation. 20 Aminos only releases compounds that clear the full analytical suite, the chromatogram and spectrum ship attached to the COA.
Orders placed before 2 PM ET (Mon–Fri) ship the same day from our U.S. fulfillment center, cold-packed and tracked end-to-end via FedEx 2-Day Express or UPS Ground.
20 Aminos compounds are produced for the people who need to defend their data, purity that holds, paperwork that survives review.
Every 20 Aminos release clears a 99%+ purity threshold before it ships. The number on the COA is the number you bought, not an aspirational claim.
Same-day dispatch from our U.S. warehouse with in-house cold-chain handling, no third-party reshipment. The vial that left the bench is the vial that arrives.
HPLC chromatogram, ESI-MS spectrum, lot ID, and full traceability, every 20 Aminos order ships with the documentation a peer reviewer would ask for.
20 Aminos grows the catalog in disciplined drops, new compounds added quarterly from vetted production partners, tested under the same protocol as every other release.
Every 20 Aminos compound is verified by independent third-party labs against the full analytical suite, the same standard, every release.
20 Aminos measures peak purity against a tight tolerance window. The chromatogram you see on the COA is the chromatogram your lot was released against.
ESI-MS identity confirmation on every 20 Aminos release, molecular weight and structure verified before any compound leaves the production room.
20 Aminos quality control links each purity result to its batch and lot number, end-to-end traceable from production bench to your receiving lab.
A lot-specific COA ships with every 20 Aminos order: methods, raw data, validation criteria, and the full chain of custody.
Connect with us for quick answers, we get back to every researcher promptly.