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Purity · passLab has no portalShop-provided sample

LL-37 × lotilabs.com — lab test, February 2026

Sample label: Loti Labs
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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
99.57%
Excellent purity only
PeptideLL-37
↓ Download COA
COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

What portal verification means →

Test results

6 data points
Purity
99.57%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
6.23 mg
Qty match
125% of labeled · +25%
Batch / Lot
LOT-LL37-00005
Tested by
SR Bio LabsView profile →

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 5 mg · Lab measured 6.23 mg

125% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.6 mg using the measured mass, against 1.3 mg on the label — 25% 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 numberLOT-LL37-00005
Portal lookupLab has no portalThis laboratory publishes no public lookup, so the report cannot be confirmed independently.
PDF vs portalSR Bio Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of LL-37 from lotilabs.com, performed by SR Bio Labs on February 4, 2026. Reported purity: 99.57%. Net content: 6.23 mg against 5 mg labeled (125% of label). Tested content exceeds the labeled amount by 25%. Batch LOT-LL37-00005. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by SR Bio Labs · Feb 04, 2026 · Batch LOT-LL37-00005

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