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✓ Purity · passShop-provided sample

GHK-Cu × Rivn Research Peptides — lab test, April 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
99.908%
✓ Excellent purity only
Counts toward Rivn Research Peptides's Trust Score until 5 Apr 2028
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Independent verification available

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Test results

7 data points
Purity
99.908%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
100 mg
Tested qty
91.54 mg
Qty match
92% of labeled · -8%
Batch / Lot
7197
Container
Blue Lyophilized Powder
Tested by
Freedom DiagnosticsView profile →

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 100 mg · Lab measured 91.54 mg

92% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 22.9 mg using the measured mass, against 25 mg on the label — 8% 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.

Independent HPLC purity analysis of GHK-Cu from Rivn Research Peptides, performed by Freedom Diagnostics on April 5, 2026. Reported purity: 99.908%. Net content: 91.54 mg against 100 mg labeled (92% of label). Batch 7197. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Apr 05, 2026 · Batch 7197

Other lots of GHK-Cu from Rivn Research Peptides

LotTestedLabPurityvs labelStatus
42995 Apr 2026Freedom Diagnostics99.857%108%Unverified
33215 Apr 2026Freedom Diagnostics99.841%90%Unverified

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

8 tests

The 894 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.91%.

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