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✓ Purity · pass✓ Lab-verifiedShop-provided sample

DSIP (Delta Sleep-inducing Peptide) × S1 Research — lab test, July 2026

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.05%
✓ Excellent purity only
Counts toward S1 Research's Trust Score until 24 Jul 2028
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2607210358 matches Freedom Diagnostics's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeStep2607210358

Test results

9 data points
Purity
99.05%
Endotoxins
Pass (≤0.05 EU/mL)
Sterility
Not on file
Heavy metals
Pass — Arsenic, Cadmium, Lead, and Mercury below reporting/specification limits
Stated qty
10 mg
Tested qty
9.65 mg
Qty match
97% of labeled · -3%
Batch / Lot
DSP072026S1
COA number
2607210358
Container
White Lyophilized Powder
Tested by
Freedom DiagnosticsView profile →

Not on file for this certificate: sterility. A purity figure says nothing about that.

About this test

What’s in the vial

Label 10 mg · Lab measured 9.65 mg

97% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.4 mg using the measured mass, against 2.5 mg on the label — 4% less.

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 number2607210358
Portal lookup✓ Lab-verified
Checked3 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalFreedom Diagnostics's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of DSIP from S1 Research, performed by Freedom Diagnostics on July 24, 2026. Reported purity: 99.05%. Net content: 9.65 mg against 10 mg labeled (97% of label). Endotoxins: Pass (≤0.05 EU/mL). Heavy metals: Pass — Arsenic, Cadmium, Lead, and Mercury below reporting/specification limits. Batch DSP072026S1. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Jul 24, 2026 · Batch DSP072026S1

Related lab tests

7 tests

The 254 other DSIP (Delta Sleep-inducing Peptide) tests on Peptigrity range from 94.00% to 99.98%. This one sits at 99.05%.

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