8× Tested · Lot-verified
Built to
Out-test
The rest.
Research peptides from RIVL Compounds. Every lot goes through eight independent lab tests, and the lot number on each vial links to its certificate of analysis.
8×
tests per lot
COA
for every lot
−10%
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Catalog · Featured
In stock, lot-documented.
Testing protocol
Every lot, 8× tested.
Each lot is sent to an independent third-party lab for the same eight tests. Results go on a certificate of analysis tied to the lot number on your vial.
01 / 08 · HPLC
Purity
Measures what percent of the vial is the target peptide.
02 / 08 · Mass spectrometry
Identity
Confirms the molecule matches the labeled compound.
03 / 08 · Quantitation
Net content
Checks the vial holds the labeled amount.
04 / 08 · LAL assay
Endotoxin
Screens for bacterial endotoxins.
05 / 08 · PCR screen
Sterility
Screens the fill for microbial contamination.
06 / 08 · ICP-MS
Heavy metals
Screens for lead, arsenic, cadmium and mercury.
07 / 08 · LC-MS/MS
Fentanyl screen
Confirms no fentanyl or analog contamination.
08 / 08 · Multi-vial check
Batch conformity
Tests extra vials to confirm the lot is consistent.
Verification Center
Look up any lot.
Enter the lot number printed on your vial to see its certificate of analysis.
Certificate of Analysis
Results appear here after you enter a lot number.
Common questions
Frequently asked.
Lab brief
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