Peptide Verse

By using this site, you confirm you are 21+ and are purchasing Research Use Only materials. Not for human or animal use. Not for diagnostic or therapeutic purposes.

How to Pay with BarterPay

This step-by-step guide explains how to pay with BarterPay at PeptideVerse, including checkout selection, email verification, and secure payment completion.

Peptide Purity Grades Explained: What 95%, 98%, and 99%+ Mean for RUO Research

Sterile peptide laboratory cleanroom environment – scientific research facility image

When labs compare Research-Use-Only (RUO) peptides, one of the first details they look at is the listed purity percentage. Values like 95%, 98%, or 99%+ appear on product pages and Certificates of Analysis (CoAs), but what do these numbers actually mean for day-to-day research? This guide breaks down how purity grades are defined, how they are measured, and how to choose the right level for your laboratory workflows.