HomeLab Tests peptide crafters, ARA-290
Purity · passShop-provided sample

ARA-290 × peptide crafters — lab test, March 2026

Lotlook this batch up across every shop →Check another lot
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
99.466%
Excellent purity only
↓ Download COA
Independent verification available

Janoshik Labs 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.

This certificate carries no lookup code.

Test results

6 data points
Purity
99.466%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
17.8 mg
Tested qty
17.8 mg
Qty match
100% of labeled · +0%
Batch / Lot
PC-G1-AR16
Tested by
Janoshik 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 17.8 mg · Lab measured 17.8 mg

100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 4.5 mg on both the label figure and the measured one.

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 peptide crafters, performed by Janoshik Labs on March 13, 2026. Reported purity: 99.466%. Net content: 17.8 mg against 17.8 mg labeled (100% of label). Batch PC-G1-AR16. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Mar 13, 2026 · Batch PC-G1-AR16

Other lots of ARA-290 from peptide crafters

LotTestedLabPurityvs labelStatus
PC-G-AR1616 May 2025Vanguard Laboratory99.049%101%Unverified
PC-Z3-AR167 Jan 2025Janoshik Labs99.137%102%Unverified
PC-Z2-AR1626 Sept 2024Janoshik Labs99.596%101%Unverified
PC-Z-AR1629 Jun 202498.47%121%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 92 other ARA-290 tests on Peptigrity range from 53.90% to 99.99%. This one sits at 99.47%.

More from peptide crafters
More ARA-290 tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.