Hi Raj: Every formulated chemistry needs to have a coupon study performed to switch, even if they are the same actives, since the various inactive/low concentration ingredients would be difficult to obtain information on and are highly unlikely to be identical for different manufacturers. If you are asking about a commodity product such as 70% Isopropanol a risk assessment of the two products may suffice. However, this risk assessment should be informed by an audit of the manufacturing facility, as well as information on business continuity practices including supply chain security measures and change management policies. Please feel free to reach out to me directly with any additional inquiries. Warmest Regards, Jim Jim Polarine Jr., MA. Senior Technical Service Manager STERIS Corporation | Life Sciences Marketing 7405 Page Avenue | St. Louis, MO 63133-1032 USA 440-354-2600 | 800-548-4873 Direct: 314-290-4793 Cell: 314-616-9931 Fax: 314-721-6648 Email: [log in to unmask] Web: http://www.sterislifesciences.com/ -----Original Message----- From: The Pharmaceutical Microbiology Forum Email List <[log in to unmask]> On Behalf Of Rajender Micro Sent: Wednesday, February 8, 2023 9:31 AM To: [log in to unmask] Subject: [PMFLIST] Disinfectant CAUTION: This email originated from outside of STERIS. Do not click links or open attachments unless you recognize the sender and know the content is safe. Dear forum, Is it acceptable to use a disinfectant (not validated) that has a similar chemistry to a validated disinfectant? Everything is the same except the commercial name. In such cases what checkpoints need to be considered for equivalency? 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