Peptriva, a U.S.-based supplier of research-use-only reference peptides, today announced its Dual-Verification Standard: every product lot is analytically verified twice before shipping — at manufacture and again by an independent, accredited U.S. laboratory — with both results batch-matched to the vial's lot number and published
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Peptriva Launches Dual-Verification Standard: Every Peptide Lot Independently Re-Tested by an Accredited U.S. Laboratory
Peptriva's Dual-Verification Standard: every peptide lot is tested at synthesis and re-tested by an independent, accredited U.S. laboratory, with a batch-searchable Certificate of Analysis published for every vial.
Research peptide supplier publishes batch-searchable Certificates of Analysis for every vial, verified twice — at synthesis and again on U.S. arrival — by an independent ISO/IEC 17025-accredited lab.
Paramount, California — September 4th, 2026 — Peptriva, a U.S.-based supplier of research-use-only reference peptides, today announced its Dual-Verification Standard™, a testing and documentation protocol under which every product lot is analytically verified twice before it ships — first at manufacture, and a second time by an independent, ISO/IEC 17025-accredited U.S. laboratory.
Under the standard, each lot is released with a manufacturer's Certificate of Analysis covering purity by high-performance liquid chromatography (HPLC), identity by mass spectrometry, heavy-metal screening by ICP-MS, endotoxin testing, and PCR microbial screening. On arrival at Peptriva's cold-chain facility in California, the lot is then re-assayed by Freedom Diagnostics, an independent accredited U.S. laboratory, before being cleared for sale. Both sets of results are batch-matched to the lot number printed on each vial and published in Peptriva's public, batch-searchable COA library at peptriva.com — allowing any researcher to verify the exact documentation for the exact vial in hand.
"In this industry, purity claims are everywhere and verification is rare," said a Peptriva spokesperson. "We built Peptriva on a simple rule: identity and purity are established analytically, not asserted. Two independent tests per lot, published where anyone can check them — hold us to the third-party numbers."
The Dual-Verification Standard applies across Peptriva's 40-compound catalog, which spans GLP-1 analog reference compounds including retatrutide, semaglutide, and tirzepatide, alongside cytoprotective sequences, growth-hormone secretagogues, copper peptides, and laboratory consumables, all specified at ≥99% purity. Orders placed before 5 p.m. ET ship the same day from Peptriva's California warehouse, with free tracked two-day delivery on every U.S. order and a 30-day money-back guarantee. No account is required to view pricing or Certificates of Analysis.
All Peptriva products are supplied strictly for in vitro laboratory research use only and are not for human or veterinary use. The company's storefront is age-gated to researchers 21 and older.
Researchers can review the Dual-Verification Standard and search the COA library at https://peptriva.com.
About Peptriva Peptriva is a U.S.-based supplier of research-use-only reference peptides, founded on the principle that every purity claim should be independently verifiable. Every lot is verified twice — at synthesis and by an independent ISO/IEC 17025-accredited U.S. laboratory on arrival — with all results published in a public, batch-searchable Certificate of Analysis library. Peptriva fulfills same-day from California with free tracked two-day U.S. shipping. Learn more at https://peptriva.com.
Media Contact Media Relations Peptriva Email: hello@peptriva.com Website: https://peptriva.com
Disclaimer: All products referenced are intended solely for in vitro laboratory research and are not intended for human or veterinary use, nor to diagnose, treat, cure, or prevent any disease.
Contact Info:
Name: Dan
Email: Send Email
Organization: Peptriva
Phone: 1-656-269-7377
Website: https://www.peptriva.com
Release ID: 89202540
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