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✓ Purity · passShop-provided sample

ARA-290 × Bulk Peptide Supply — lab test, January 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
99.7%
✓ Excellent purity only
Counts toward Bulk Peptide Supply's Trust Score until 23 Jan 2028
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Independent verification available

MDx BioAnalytical Laboratory publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

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Test results

8 data points
Purity
99.7%
Endotoxins
PASS (<0.05 EU/mL)
Sterility
Not on file
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
10.1 mg
Qty match
101% of labeled · +1%
Batch / Lot
QC260231
Container
White Crystals
Tested by

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

About this test

What’s in the vial

Label 10 mg · Lab measured 10.1 mg

101% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.5 mg using the measured mass, against 2.5 mg on the label — 1% 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.

Independent HPLC purity analysis of ARA-290 from Bulk Peptide Supply, performed by MDx BioAnalytical Laboratory on January 23, 2026. Reported purity: 99.7%. Net content: 10.1 mg against 10 mg labeled (101% of label). Endotoxins: PASS (<0.05 EU/mL). Batch QC260231. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by MDx BioAnalytical Laboratory · Jan 23, 2026 · Batch QC260231

Related lab tests

7 tests

The 96 other ARA-290 tests on Peptigrity range from 53.90% to 99.99%. This one sits at 99.70%.

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