HomeLab Tests peptidetech.is, Cortagen
Purity · pass✓ Lab-verifiedShop-provided sample

Cortagen × peptidetech.is — lab test, January 2026

Lotlook this batch up across every shop →Check another lot
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.518%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2601090037 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codePept2601090037

Test results

7 data points
Purity
99.518%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
22.17 mg
Qty match
111% of labeled · +11%
Batch / Lot
COR-1270
COA number
2601090037
Container
White Lyophilized Powder
Tested by

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 20 mg · Lab measured 22.17 mg

111% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 5.5 mg using the measured mass, against 5 mg on the label — 11% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Verification trail
Report number2601090037
Portal lookup✓ Lab-verified
Checked17 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalfreedomdiagnosticstesting.com's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Cortagen from peptidetech.is, performed by freedomdiagnosticstesting.com on January 12, 2026. Reported purity: 99.518%. Net content: 22.17 mg against 20 mg labeled (111% of label). Tested content exceeds the labeled amount by 11%. Batch COR-1270. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Jan 12, 2026 · Batch COR-1270

Other lots of Cortagen from peptidetech.is

LotTestedLabPurityvs labelStatus
COR-127523 Apr 2026freedomdiagnosticstesting.com98.9%99%✓ Lab-verified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

7 tests

The 3 other Cortagen tests on Peptigrity range from 98.90% to 99.94%. This one sits at 99.52%.

More from peptidetech.is
More Cortagen tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.