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Purity · pass✓ Lab-verifiedShop-provided sample

SELANK × doublerlabs.is — Lab Test, February 2026

LotDRL-02-SK10look this batch up across every shop →
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
99.55%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 33087 matches Chromate's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeDRLLNZA7T2DT
Look it up on Chromate ↗Checked Feb 21, 2026

Test results

9 data points
Purity
99.55%
Endotoxins
<0.0092 EU/mg
Heavy metals
<50 ppb
Stated qty
10 mg
Tested qty
10.86 mg
Qty match
109% of labeled · +9%
Batch / Lot
DRL-02-SK10
COA number
33087
Container
Lyophilized peptide vial
Tested by
ChromateView profile →

About this test

What’s in the vial

Label 10 mg · Lab measured 10.86 mg

109% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.7 mg using the measured mass, against 2.5 mg on the label — 9% 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 number33087
Portal lookup✓ Lab-verified
Checked28 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalChromate's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of SELANK from doublerlabs.is, performed by Chromate on February 21, 2026. Reported purity: 99.55%. Net content: 10.86 mg against 10 mg labeled (109% of label). Endotoxins: <0.0092 EU/mg. Heavy metals: <50 ppb. Batch DRL-02-SK10. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Chromate · Feb 21, 2026 · Batch DRL-02-SK10

Related lab tests

8 tests

The 320 other SELANK tests on Peptigrity range from 97.40% to 99.98%. This one sits at 99.55%.

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