<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Sterility testing replacing USP71 with USP61]]></title><description><![CDATA[<p dir="auto">I noticed that some vendors are switching to USP61  from USP71 for sterility testing.</p>
<p dir="auto">I'll preface this with... learning still in progress <img src="https://community.peptidecritic.com/assets/plugins/nodebb-plugin-emoji/emoji/android/1f642.png?v=48913811e8d" class="not-responsive emoji emoji-android emoji--slightly_smiling_face" style="height:23px;width:auto;vertical-align:middle" title=":)" alt="🙂" /></p>
<p dir="auto">Doesn't this raise a concern?</p>
<p dir="auto">USP71 = 14+ day wait, USP61 = 5 day wait.</p>
<p dir="auto">It seems like they are trading off quality for faster turnaround?</p>
<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="/user/randy" aria-label="Profile: randy">@<bdi>randy</bdi></a>   your thoughts on this?</p>
]]></description><link>https://community.peptidecritic.com/topic/1191/sterility-testing-replacing-usp71-with-usp61</link><generator>RSS for Node</generator><lastBuildDate>Thu, 23 Apr 2026 13:27:31 GMT</lastBuildDate><atom:link href="https://community.peptidecritic.com/topic/1191.rss" rel="self" type="application/rss+xml"/><pubDate>Wed, 22 Apr 2026 10:59:38 GMT</pubDate><ttl>60</ttl></channel></rss>